即负壳蜒蚰
畏盐。
咸、寒。有小毒。主消渴脱肛，筋急惊痫。入婴儿药，大有解热消毒之功。得蟾酥麝香、
藤黄，涂消痈毒。入麝香
化水，涂痔疮肿痛。和面，捣敷 腮肿痛。和白梅肉、生矾、枯矾，治喉塞口噤。加麝香，
捣贴脐下，治小便不通。
即蜒蚰螺
畏盐。
咸，寒。主治贼风、 僻、轶筋，及脱肛、惊痫、挛缩，消痰核。得京墨研，涂痔疮肿
痛。生捣，涂蜈蚣咬伤。
（龙类四种）
得人参、牛黄、黑豆良。畏石膏、铁器。忌鱼。
甘、平、涩。入足少阴、厥阴经。收浮越之正气，涩有形之精液。镇惊定魄，止肠红，
生肌肉，疗崩带，愈溺血，
敛疮口，祛肠毒。（能引治毒之药粘滞于肠，以治患也。）得白石脂，治泄泻不止。得韭菜子，
治睡即泄精。配桑螵蛸，
治遗尿。合牡蛎粉，扑阴汗湿痒。
酒浸一宿，焙干，水飞三度用。或酒煮焙干水飞用，或黑豆蒸晒干，或火 水飞用。不
制着于肠胃，晚年发热。
龙齿
得人参、牛黄、黑豆良。畏石膏、铁器。忌鱼。
甘、涩、凉。入手少阴、足厥阴经。镇心神，安魂魄，疗烦热，治惊痫。
法制与龙骨同。龙骨、龙齿，舐之粘舌者良。黑色者勿用。止泻痢莫若龙骨，摄游魂不
如龙齿。
即穿山甲
咸，微寒。有毒。入厥阴、阳明经。窜走经络，迅达病所。消痈疽，除痰疟，破血结，
疗痹
疼，去惊邪，下乳汁。得肉豆蔻，治气痔脓血。配猪苓，醋炒酒下，治便毒。入五积散，治
浑身强直。调木通、生自然铜末，酒下，治吹乳。
尾、脚、嘴、甲力更胜。或油，或醋，或酒，或土，或乳，或童便，或蛤粉拌炒，各随
病制
。性猛不可过用。肝气虚者禁用。
即背负外壳的蛞蝓。
畏惧盐。
味咸，性寒。有小毒。主治消渴病、脱肛，以及筋脉拘急、惊风癫痫。用于婴儿药物中，具有显著的清热解毒功效。与蟾酥、麝香、藤黄配合，涂抹可消除痈疽毒邪。加入麝香化水，涂抹治疗痔疮肿痛。与面粉混合，捣碎后敷贴治疗腮部肿痛。与白梅肉、生明矾、煅明矾配合，治疗喉部阻塞、牙关紧闭。加入麝香，捣碎后贴敷于脐下，治疗小便不通。
即蜒蚰螺。
畏惧盐。
味咸，性寒。主治贼风（外感风邪）、口眼歪斜、筋脉弛缓或痉挛，以及脱肛、惊风癫痫、肌肉挛缩，并能消散痰核。与京墨研磨后，涂抹治疗痔疮肿痛。生药捣碎，涂抹治疗蜈蚣咬伤。
（龙类四种）
与人参、牛黄、黑豆配伍效果良好。畏惧石膏、铁器。忌食鱼类。
味甘，性平，味涩。入足少阴肾经、足厥阴肝经。收敛浮越的正气，固涩有形的精液。镇惊安神，止便血，促进肌肉生长，治疗崩漏带下，治愈尿血，收敛疮口，祛除肠道毒素。（能引导治疗毒素的药物粘滞在肠道，以治疗疾病。）与白石脂配伍，治疗泄泻不止。与韭菜子配伍，治疗睡眠中遗精。与桑螵蛸配伍，治疗遗尿。与牡蛎粉合用，扑洒治疗阴部汗出湿痒。
用酒浸泡一夜，焙干，用水飞法研磨三次使用。或用酒煮后焙干再水飞使用，或用黑豆蒸晒干燥，或用火煅后水飞使用。若不经过炮制直接服用会滞碍肠胃，导致晚年发热。
龙齿
与人参、牛黄、黑豆配伍效果良好。畏惧石膏、铁器。忌食鱼类。
味甘，味涩，性凉。入手少阴心经、足厥阴肝经。镇心安神，安定魂魄，治疗烦热，治疗惊风癫痫。
炮制方法与龙骨相同。龙骨、龙齿，以舔之粘舌者为优质。黑色的勿用。止泻痢没有比龙骨更好的，摄纳游魂没有比龙齿更好的。
即穿山甲。
味咸，微寒。有毒。入足厥阴肝经、足阳明胃经。窜走经络，迅速到达病灶。消除痈疽，去除痰疟，破除血结，治疗痹证疼痛，去除惊邪，通下乳汁。与肉豆蔻配伍，治疗气痔脓血。与猪苓配伍，醋炒后用酒送服，治疗便毒（腹股沟淋巴结炎等）。加入五积散中，治疗浑身强直。调匀木通、生自然铜粉末，用酒送服，治疗吹乳（急性乳腺炎）。
尾部、脚部、嘴部和鳞甲的力量更强。或用油，或用醋，或用酒，或用土，或用乳汁，或用童便，或用蛤粉拌炒，各随病情制作。药性猛烈，不可过量使用。肝气虚者禁用。
The slug carrying a shell.
Averse to salt.
Salty, cold. Slightly toxic. Primarily treats polydipsia (excessive thirst), rectal prolapse, tendon spasm, and convulsive epilepsy. When used in infant medicines, it has significant effects in clearing heat and detoxifying. Combined with Bufo Toxin (Chansu), Musk (Shexiang), and Picrasma Quassioides (Tenghuang), applied topically to eliminate carbuncle toxins. Mixed with Musk and water, applied topically to treat hemorrhoid swelling and pain. Mixed with flour and pounded, applied as a poultice to treat cheek swelling and pain. Combined with White Plum Flesh (Baimei Rou), Raw Alum (Shengfan), and Calcined Alum (Kufan), to treat throat obstruction and trismus (lockjaw). Added with Musk, pounded and applied to the lower abdomen to treat urinary retention.
The snail-like slug.
Averse to salt.
Salty, cold. Primarily treats wind-stroke (Zefeng), facial paralysis (pianpi), tendon laxity or spasms, rectal prolapse, convulsive epilepsy, muscle contracture, and can dissipate phlegm nodules. Ground with Jingmo (Beijing Ink), applied topically to treat hemorrhoid swelling and pain. Pounded raw and applied to treat centipede bites.
(Four types of Dragon class)
Beneficial when combined with Ginseng (Renshen), Calculus Bovis (Niuhuang), and Black Soybean (Heidou). Averse to Gypsum Fibrosum (Shigao) and ironware. Avoid fish.
Sweet, neutral, astringent. Enters the Foot-Shaoyin Kidney Meridian and Foot-Jueyin Liver Meridian. It consolidates floating and erratic righteous Qi, and astringes tangible essence fluids. It calms fright and stabilizes the soul, stops intestinal bleeding, promotes tissue regeneration, treats metrorrhagia and leukorrhea, cures hematuria, closes wound sores, and expels intestinal toxins. (It can guide medicinal herbs that treat toxins to adhere to the intestines for treatment.) Combined with Alumen Rubrum (Baishizhi), it treats persistent diarrhea. Combined with Allium Tuberosum Seed (Jiuzai Zi), it treats nocturnal seminal emission during sleep. Paired with Mantis Egg Case (Sangpiaoxiao), it treats enuresis. Mixed with Oyster Shell Powder (Muli Fen), sprinkled to treat dampness and itching in the genital area.
Soak in wine overnight, bake dry, and use after being levigated with water three times. Or boil in wine, bake dry, and use after levigation; or steam with black soybeans, sun-dry, or calcine and use after levigation. If not processed, it obstructs the stomach and intestines, causing fever in old age.
Dragon Teeth (Longchi)
Beneficial when combined with Ginseng (Renshen), Calculus Bovis (Niuhuang), and Black Soybean (Heidou). Averse to Gypsum Fibrosum (Shigao) and ironware. Avoid fish.
Sweet, astringent, cool. Enters the Hand-Shaoyin Heart Meridian and Foot-Jueyin Liver Meridian. It calms the heart spirit, anchors the魂魄 (hun and po), treats irritability and heat, and manages convulsive epilepsy.
Processing methods are the same as Longgu (Dragon Bone). For Longgu and Longchi, those that stick to the tongue when licked are of good quality. Do not use black ones. For stopping diarrhea and dysentery, nothing is better than Longgu; for capturing wandering souls, nothing is better than Longchi.
The Pangolin (Linchi).
Salty, slightly cold. Toxic. Enters the Foot-Jueyin Liver Meridian and Foot-Yangming Stomach Meridian. It penetrates collaterals and meridians, rapidly reaching the disease site. It eliminates carbuncles and ulcers, removes phlegm-malaria, breaks blood stasis, treats bi-syndrome pain, dispels fright pathogens, and promotes lactation. Combined with Nutmeg (Roudoukou), it treats qi-hemorrhoids with pus and blood. Paired with Polyporus (Zhuling), stir-fried with vinegar and taken with wine, it treats inguinal abscess (Biandu). Added to Wuji San (Five Accumulations Powder), it treats general body stiffness. Mixed with Tong Cao (Mutong) and ground native copper sulfate (Ziran Tong), taken with wine, it treats acute mastitis (Chuiru).
The tail, feet, snout, and scales are more potent. They may be fried with oil, vinegar, wine, earth, milk, child's urine, or clam powder, depending on the condition. The nature is fierce and should not be overused. Contraindicated in cases of Liver Qi deficiency.