柚子皮烧灰冲服，神效。柚子，两广最多，他省颇少，以橘红代之亦可。
又方∶取癞虾蟆六只，将四足扎住，以虾蟆肚皮在人肚腹光亮之处，轻轻摩擦几次，再
取一癞虾蟆照前磨擦，用至六只即愈。但虾蟆眉内有蟾酥，须防其迸出射人伤眼，宜用绸帕
遮住病患两眼。虾蟆用过之后，即放水中，使吐毒瓦斯，以救其命，至要至要。
此症先流臭水，久则出脓，不肿不痛，多年不愈。用韭菜叶、扁柏叶二味，共槌，取汁
一酒杯，加童便一茶杯，蒸热服。外用炉甘石（要能浮水者），用好醋泡一昼夜，瓦上焙干，
研末敷。如不见效，当请名医治之，不可忽也。
龙骨醋泡焙枯，研敷。或用赤石脂研末敷，均效。或照上脐中出脓方治之，更妙。
方见诸血门。
方见痞疾门。
肚脐肿大如瓜，脐眼高突者是。红赤者，照痈毒各方治之，不红不热者，照痈毒各方治
之。
生脐下一寸五分气海穴，或生二寸关元穴，或生三寸丹田穴，皆由七情火郁而生也。分
别红白阴阳治之。
生小腹内，按之如掌，坚硬而热、微痛，小便多，出汗畏寒，皮色如常，或现微肿，脉
紧实而有力者是也，服犀黄丸（见阴疽门）即愈。此林屋山人秘法也。
脐下二三寸关元丹田二穴冷结膀胱小腹有形满痛手足厥冷
此厥阴伤寒重症，宜用仲景当归四逆汤治之。桂枝、当归各二钱，芍药三钱，细辛三分
通草一钱五分，甘草八分，大枣二枚，水煎服，神效。其人有久寒者，加吴萸四分，生姜
钱，酒一小杯兑服。
柚子皮烧成灰后冲服，效果显著。柚子在两广地区最多见，其他省份较少，可以用橘红来代替。
另一个方子：取六只癞蛤蟆，用绳子扎住它们的四条腿，将蛤蟆的肚皮在患者腹部光亮肿胀处轻轻摩擦几次，再换一只癞蛤蟆照此法摩擦，用到第六只时病即痊愈。但是蛤蟆眉毛内有蟾酥（一种有毒分泌物），必须防止其迸出射入人眼造成伤害，应用绸帕遮住患者的双眼。蛤蟆使用完毕后，应立即放入水中，使其吐出毒气，以挽救其性命，这一点非常重要。
这种病症先流出臭水，时间久了则排出脓液，不肿不痛，多年不愈。用韭菜叶、侧柏叶两味药，共同捣碎，取汁一杯，加入童便（儿童尿液）一杯，蒸热后服用。外用炉甘石（必须是能浮在水面上的），用好醋浸泡一昼夜，在瓦上焙干，研成粉末外敷。如果不见效，应当请名医诊治，不可轻视。
龙骨用醋浸泡后焙至焦枯，研末外敷。或者用赤石脂研末外敷，均有效。也可以按照上述脐中出脓的方子治疗，效果更好。
此方见“诸血门”章节。
此方见“痞疾门”章节。
这就是肠痈（肠道化脓性炎症）。必须按照治疗肠痈的方子进行治疗。
肚脐肿大像瓜一样，脐眼高突出来的是。红肿发赤的，按照治疗痈毒的各个方子治疗；不红不热的，也按照治疗痈毒的各个方子治疗。
生于脐下一寸半的气海穴，或生二寸的关元穴，或生三寸的丹田穴，都是由七情（喜、怒、忧、思、悲、恐、惊）导致火气郁结而生成的。需分别根据红白、阴阳的不同来治疗。
生于小腹内部，按压感觉像手掌大小，坚硬且发热、微痛，小便多，出汗怕冷，皮肤颜色正常，或呈现轻微肿胀，脉象紧实有力的是这种情况，服用犀黄丸（见“阴疽门”章节）即可痊愈。这是林屋山人的秘法。
脐下二三寸处的关元、丹田二穴冷结于膀胱，小腹有形满痛，手足厥冷。
这是厥阴伤寒（寒邪侵犯厥阴经的重症），适宜使用张仲景的当归四逆汤治疗。桂枝、当归各二钱，芍药三钱，细辛三分，通草一钱五分，甘草八分，大枣二枚，水煎服，效果显著。如果患者有久寒之症，加吴茱萸四分，生姜一片，兑一小杯酒服用。
Burning pomelo peel into ash and taking it with water is highly effective. Pomelos are most abundant in the Liangguang region and rare in other provinces; Citri Reticulatae Pericarpium Rubrum (Ju Hong, 橘红) can be used as a substitute.
Another prescription: Take six toads, tie their four legs, and gently rub the belly of the toad against the shiny, swollen area of the patient's abdomen several times. Then take another toad and rub it in the same manner. Continue until six toads have been used, at which point the disease will be cured. However, since the toad's eyebrows contain Chan Su (Toad Venom), care must be taken to prevent it from splashing into the eyes and causing injury. It is advisable to cover the patient's eyes with a silk cloth. After use, release the toads into water immediately so they can expel toxic vapors and save their lives; this is of utmost importance.
This condition initially discharges foul-smelling fluid, and after a long time, pus is discharged. There is no swelling or pain, and it may persist for years without healing. Use Chive Leaves (Jiu Cai Ye, 韭菜叶) and Biota Leaf (Bai Bai Ye, 扁柏叶), crush them together, extract one cup of juice, add one cup of Child's Urine (Tong Bian, 童便), steam until hot, and drink. For external application, use Calamina (Lu Gan Shi, 炉甘石) that floats on water, soak it in good vinegar for a day and night, dry it over a tile, grind it into powder, and apply externally. If there is no improvement, consult a famous physician; do not neglect it.
Long Gu (Dragon Bone, 龙骨) soaked in vinegar and calcined until charred, then ground into powder for external application. Alternatively, Chi Shi Zhi (Red Halloysite, 赤石脂) ground into powder for external application is also effective. Or, treat according to the prescription for pus discharge from the umbilicus mentioned above, which is even better.
See the "Various Bleeding" section for this prescription.
See the "Pi Disease" section for this prescription.
This is Chang Yong (Intestinal Abscess, 肠痈). It must be treated according to the prescriptions for Intestinal Abscess.
The umbilicus is swollen like a melon, with the navel protruding high. If red and hot, treat according to the various prescriptions for Carbuncle-Toxin (Yong Du, 痈毒); if not red and not hot, also treat according to the various prescriptions for Carbuncle-Toxin.
Arising at Qi Hai (Sea of Qi, 气海) acupoint, one inch and five fen below the umbilicus, or at Guan Yuan (Gate of Origin, 关元) acupoint, two inches below, or at Dan Tian (Elixir Field, 丹田) acupoint, three inches below, all are caused by the stagnation of fire due to the Seven Emotions (Qi Qing, 七情). Treat separately based on redness/whiteness and Yin/Yang differentiation.
Arising inside the lower abdomen, feeling like a palm when pressed, hard, hot, slightly painful, with frequent urination, sweating, aversion to cold, normal skin color, or slight swelling, and a tight, solid, and forceful pulse. Taking Xi Huang Wan (Rhinoceros Horn Pill, 犀黄丸) [see "Yin Ju" section] will lead to recovery. This is a secret method of Lin Wu Shan Ren.
Cold stagnation at Guan Yuan (Guan Yuan, 关元) and Dan Tian (Dan Tian, 丹田) acupoints, two to three cun below the umbilicus, affecting the Bladder, resulting in palpable fullness and pain in the lower abdomen, and cold extremities.
This is a severe case of Jue Yin Shang Han (Cold Damage to the Jue Yin Channel, 厥阴伤寒). It is suitable to treat with Zhang Zhong Jing's Dang Gui Si Ni Tang (Cinnamon Twig and Angelica Decoction for Cold Extremities, 当归四逆汤). Cinnamon Twig (Gui Zhi, 桂枝) and Angelica Root (Dang Gui, 当归) each 2 qian, Peony Root (Shao Yao, 芍药) 3 qian, Asarum (Xi Xin, 细辛) 3 fen, Tetrapanax Pith (Tong Cao, 通草) 1.5 qian, Licorice Root (Gan Cao, 甘草) 8 fen, Jujube (Da Zao, 大枣) 2 pieces. Decoct in water and take orally; highly effective. If the person has chronic cold, add Evodia Fruit (Wu Zhu Yu, 吴萸) 4 fen, Ginger (Sheng Jiang, 生姜) 1 slice, and mix with a small cup of wine for administration.