少安，肺之患毒无疑矣。以犀黄丸十服，服完全愈。此是预识先治，百无一死者。余每见此症吐脓，
脓色皆白，故称肺疽，用犀黄丸治无不效。或用陈年盐菜卤，每早取半杯滚豆浆冲服，服后胸中一块
塞上塞下，数次方能吐出，连吐恶脓，日服至愈。患此症者，终身戒食鸭蛋、白鲞、红萝卜、着甲鱼、
石首鱼，食则复发不救。
《千金》苇茎汤∶苇茎二斤，薏苡仁半斤，桃仁五十枚，瓜瓣半斤。以水五斗，先煮苇茎得五升，
去渣，内诸药，煮取二升，服一升，再服当吐如脓。王晋三曰∶是方也，推作者之意，病在膈上，越
之使吐也。盖肺痈由于气血混一，荣卫不分，以二味凉其气，二味行其血，厘清荣卫之气，因势涌越，
诚为先着。其瓜瓣当用丝瓜者良。时珍曰∶丝瓜经络贯串，房隔联属，能通人脉络脏腑，消肿化痰，
治诸血病，与桃仁有相须之理。苡仁下气，苇茎上升，一升一降，激而行其气血，则肉之未败者，不
致成脓，痈之已溃者，能令吐出矣。今时用嫩苇根，性寒涤热，冬瓜瓣性急趋下，合之二仁，变成润
下之方，借以治肺痈，其义颇善。徐灵胎曰∶此治肺痈之主方也。
徐灵胎曰∶古之医者，无分内外，又学有根柢，故能无病不识。后世内外科既分，则显然为内症
者，内科治之，显然为外症者，外科治之。其有病在腹中，内外未显然者，则各执一说，各拟一方，
历试诸药，皆无效验，轻者变重，重者即殒矣。此等症不特外科当知之，即内科亦不可不辨分真确，
知非己责，即勿施治，毋致临危束手而后委他人也。腹内之痈有数症，有肺痈，有肝痈，有胃脘痈，
有小肠痈，有大肠痈，有膀胱痈。惟肺痈咳吐腥痰，人犹易辨，余者或以为痞结，或以为瘀血，或以
为寒痰，或以为食积。医药杂投，及至成脓，治已无及，并有不及成脓而死者。病者医者，始终不知
何以致死，比比然也。今先辨明痞结、瘀血、寒痰、食积之状。凡痞结、瘀血，必有所因，且由渐而
成。寒痰则痛止无定，又必另现痰症；食积则必有受伤之日，且三五日后，大便通即散。惟外症则痛
有常所，而迁延益甚。《金匮》云∶诸脉浮数，应当发热，而反洒淅恶寒，若有痛处，当发其痈。以
手按肿上，热者有脓，不热者无脓。此数句乃内痈真谛也。又云∶肠痈之为病，身甲错，腹皮急，按
之濡如肿状，腹无积聚，身无热是也。若肝痈则胁内隐隐痛，日久亦吐脓血。小肠痈与大肠痈相似而
位略高。膀胱痈则痛在少腹之下，近毛际，着皮即痛，小便亦艰而痛。胃脘痈则有虚实二种，其实者
易消，若成脓，必大吐脓血而愈。惟虚症则多不治。先胃中痛胀，久而心下渐高，其坚如石，或有寒
热，饮食不
进，按之尤痛，形体枯瘦，此乃思虑伤脾之症，不待痈成即死。故凡腹中有一定痛处，恶寒倦卧不能
食者，皆当审察，防成内痈。慎毋因循求治于不明之人，以致久而脓溃，自伤其生也。
患者症状稍安，但肺部的毒患是毫无疑问的。服用犀黄丸十剂后，完全痊愈。这是预先识别并先期治疗的结果，这种情况下百人中难有一死。我每次见到这种病症吐出的脓液，颜色都是白色的，所以称之为肺疽，使用犀黄丸治疗没有不有效的。或者使用陈年的盐菜卤，每天早晨取半杯用滚开的豆浆冲服，服药后感觉胸中有一块东西塞住，上下移动，经过几次才能吐出，连着吐出恶臭的脓液，每日服用直到痊愈。患有此症的人，终身要戒食鸭蛋、白鲞（干鱼）、红萝卜、甲鱼、石首鱼，吃了就会复发且无法救治。
《千金方》苇茎汤：苇茎二斤，薏苡仁半斤，桃仁五十枚，瓜瓣半斤。用水五斗，先煮苇茎至剩五升，去渣，加入其他药物，煮取二升，服用一升，再服应当吐出如脓样的物质。王晋三说：这个方子，推测作者的意图，病位在膈上，通过催吐使邪气排出。大概肺痈是由于气血混杂，营卫不分，用两味药凉其气，两味药行其血，厘清营卫之气，顺势涌越，这确实是先着之棋。其中的瓜瓣应当用丝瓜瓣为好。李时珍说：丝瓜的经络贯穿，房隔联属，能通人的脉络脏腑，消肿化痰，治疗各种血病，与桃仁有相须（互相配合增强疗效）的道理。薏苡仁下气，苇茎上升，一升一降，激荡而行气血，那么肉未腐败的，就不会化成脓，痈已溃破的，能让它吐出来。现在使用时多用嫩苇根，性寒涤热，冬瓜瓣性急趋下，合之二仁，变成润下的方子，借以治疗肺痈，其义理颇为良好。徐灵胎说：这是治疗肺痈的主方。
徐灵胎说：古代的医生，不分内科外科，又学问有根基，所以能没有认不出的病。后世内科外科既然分开，那么明显是内症的，内科治疗；明显是外症的，外科治疗。如果有病在腹中，内外不明显区分的，就各执一说，各拟一方，历试诸药，都没有效果，轻的病变重，重的立即死亡。这类病症不仅外科应当知道，内科也不可不明辨真伪，知道不是自己的责任，就不要施治，不要等到临危束手无策后再推给别人。腹内的痈有几类病症，有肺痈，有肝痈，有胃脘痈，有小肠痈，有大肠痈，有膀胱痈。只有肺痈咳吐腥臭痰，人还容易辨别，其他的有的以为是痞结，有的以为是瘀血，有的以为是寒痰，有的以为是食积。医药杂投，等到成脓，治疗已经来不及了，还有没等到成脓就死的。病人和医生，始终不知道什么原因致死，比比皆是。现在先辨明痞结、瘀血、寒痰、食积的症状。凡是痞结、瘀血，必定有原因，且由逐渐形成。寒痰则疼痛停止位置不定，又必须另外出现痰症；食积则必定有受伤的日子，且三五日后，大便通畅即消散。只有外症则疼痛有固定部位，且拖延越久越严重。《金匮要略》说：诸脉浮数，应当发热，反而洒淅恶寒，若有痛处，当发其痈。用手按压肿处，热的有脓，不热的无脓。这几句是内痈的真谛啊。又说：肠痈的病症，身体皮肤粗糙如鳞甲交错，腹部皮肤紧张，按之软如肿状，腹部无积聚，身体无热，就是这种情况。如果肝痈则胁内隐隐作痛，日久也吐脓血。小肠痈与大肠痈相似而位置略高。膀胱痈则痛在小腹之下，近阴毛际，着皮即痛，小便也艰涩而痛。胃脘痈则有虚实两种，实者易消，若成脓，必大吐脓血而愈。只有虚症则多不治。先胃中痛胀，久了心下渐高，其坚如石，或有寒热，饮食不进，按之更痛，形体枯瘦，这是思虑伤脾的病症，不待痈成即死。所以凡是腹中有一定痛处，恶寒倦卧不能食者，都应当审察，防止成为内痈。千万不要因循守旧向不明之人求治，以致久而脓溃，自伤生命。
The patient's symptoms have slightly eased, but the toxicity in the lungs is undeniable. After taking ten doses of Xihuang Wan (Calculus Bubali and Musk Pill), a complete recovery was achieved. This is the result of early recognition and preemptive treatment; in such cases, mortality is extremely low. I have observed that in this condition, the expectorated pus is always white, hence it is referred to as Lung Ju (Lung Abscess). Treatment with Xihuang Wan has proven universally effective. Alternatively, one may use aged salted vegetable brine, taken each morning by mixing half a cup with boiling soy milk. After ingestion, the patient feels a blockage in the chest moving up and down, which can only be expelled after several attempts, bringing forth foul-smelling pus. Daily administration continues until cure. Patients suffering from this condition must abstain终生ly from eating duck eggs, dried fish (Bai Xiang), red radishes, soft-shell turtles, and Sciaenidae fish; consumption leads to relapse that is incurable.
Qianjin Fang Weijing Decoction: Reishi Stem (Weijing) 2 jin, Coix Seed (Yiyiren) 0.5 jin, Peach Kernel (Taoren) 50 pieces, Melon Seeds (Gua Ban) 0.5 jin. Use five dou of water, first boil the Reishi Stem until reduced to five sheng, discard the dregs, add the remaining herbs, and boil to obtain two sheng. Take one sheng; upon taking the second dose, pus-like material should be expectorated. Wang Jin San stated: Regarding this formula, inferring the author's intent, the pathology is located above the diaphragm, and the method aims to induce vomiting to expel pathogens. Generally, Lung Fei (Lung Abscess) arises from the mixing of Qi and Blood, where Ying (Nutritive) and Wei (Defensive) energies are indistinguishable. Two ingredients cool the Qi, while two others promote Blood circulation, clarifying the Ying and Wei energies and facilitating their expulsion through forced upward movement, which is indeed a strategic first move. The "Gua Ban" should preferably be Luffa Fruit (Sigua) seeds. Li Shizhen noted: Luffa vines penetrate meridians, and its chambers are interconnected, enabling it to unblock human meridians and zang-fu organs, reduce swelling, resolve phlegm, treat various blood disorders, and shares a synergistic relationship (Xiang Xu) with Peach Kernels. Coix Seed directs Qi downward, while Reishi Stem directs Qi upward; this ascending-descending dynamic agitates and promotes Qi and Blood flow. Thus, tissue not yet necrotized will not turn into pus, and existing abscesses can be expelled. Currently, tender Reishi Root is often used; its cold nature clears heat. Winter Melon Seeds (Donggua Ban) have an urgent descending nature. Combined with the two kernels, they form a moistening purgative formula, which is quite suitable for treating Lung Fei. Xu Ling Tai stated: This is the primary formula for treating Lung Fei.
Xu Ling Tai stated: Ancient physicians did not strictly distinguish between internal and external medicine, and their learning was profound, so they could identify all diseases. In later generations, since internal and external specialties were separated, obvious internal syndromes were treated by internal medicine specialists, and obvious external syndromes by external medicine specialists. However, for diseases located in the abdomen where the distinction between internal and external is unclear, practitioners would each adhere to their own theories and prescribe different formulas. Trying various medicines yielded no results; mild conditions worsened, and severe ones led to death. Such conditions require knowledge not only by external medicine specialists but also by internal medicine specialists who must accurately differentiate them. If a condition is not within one's responsibility, one should refrain from treatment rather than being helpless at the critical moment and then passing the case to others. There are several types of abdominal abscesses: Lung Fei, Liver Abscess, Epigastric Abscess, Small Intestine Abscess, Large Intestine Abscess, and Bladder Abscess. Only Lung Fei, characterized by coughing up foul-smelling sputum, is relatively easy to identify. Others may be mistaken for Pi Jie (Glomus/Blockage), Yu Xue (Blood Stasis), Han Tan (Cold Phlegm), or Shi Ji (Food Retention). Indiscriminate use of medicines delays treatment until suppuration occurs, making it untreatable, or even causes death before suppuration. Both patients and doctors remain unaware of the cause of death, which is common. Now, let us clarify the manifestations of Pi Jie, Blood Stasis, Cold Phlegm, and Food Retention. Pi Jie and Blood Stasis always have a cause and develop gradually. Cold Phlegm presents with shifting pain locations and distinct phlegm symptoms; Food Retention has a clear onset date and resolves after bowel movements within three to five days. External abscesses, however, have fixed pain sites that worsen over time. The *Jin Gui Yao Lue* states: When pulses are floating and rapid, fever should occur, but if the patient instead experiences chills and aversion to wind, and there is a painful area, an abscess is likely developing. Pressing on the swollen area: heat indicates pus; lack of heat indicates no pus. These sentences reveal the essence of internal abscesses. It also states: For Intestinal Abscess, the body exhibits skin roughness like scales, abdominal skin is tense, palpation feels soft like swelling, there is no abdominal mass, and the body has no fever. If it is a Liver Abscess, there is dull pain in the hypochondrium, eventually leading to expectoration of pus and blood. Small Intestine Abscess resembles Large Intestine Abscess but is located slightly higher. Bladder Abscess presents with pain in the lower abdomen near the pubic region, tenderness upon touch, and difficult, painful urination. Epigastric Abscess has deficiency and excess types; excess types are easier to resolve, but if suppuration occurs, large expectoration of pus and blood leads to recovery. Deficiency types are mostly incurable. Initially, there is epigastric pain and distension; over time, the epigastrium becomes elevated, hard as stone, possibly accompanied by alternating chills and fever, loss of appetite, increased pain on pressure, and emaciation. This is a syndrome of Spleen injury due to excessive thinking, leading to death before abscess formation. Therefore, any fixed abdominal pain accompanied by aversion to cold, lethargy, and inability to eat should be carefully examined to prevent internal abscess formation. Do not delay seeking treatment from incompetent practitioners, which may lead to prolonged suppuration and self-inflicted harm.