味甘咸温有毒。入手足太阴厥阴经。功专治风湿瘫痪。大风疥癞。类中风属虚者
大忌。头治癜风毒癞。得火良。乌梢蛇。无毒力浅。功同白花蛇。或酥炙用。
味咸。入足少阴经。功专通任脉。得黄柏知母。治阴虚劳热。得侧柏香附治郁结。
得妇人发芎归治交骨不开。下死胎。得鹿胶阴阳并补。肾虚无热者忌。阴囊肿烂异常。先用
苏梗煎汤洗净污垢。以龟板一个 研。加孩儿茶。少加冰片调敷即愈。恶沙参。尿染须治哑
聋。龟胸龟背。以尿摩之瘥。
咸寒属阴。入足厥阴少阴经。功专治 疟 瘕。得青蒿治骨蒸劳热。得桃仁治贲豚
气痛。无肝热者忌服。醋炙治石淋贲豚。童便炙治劳病。肉凉血补阴。以生姜沙糖作羹食。
不用盐酱治疟痢。脾虚者大忌。恶矾石。忌苋菜鸡子。
味咸寒有小毒。入手足太阴厥阴经。功专除热结。通经脉。续筋骨。生捣热酒调服。
治跌打损伤。汁涂漆疮。能败漆。爪堕胎。性寒伤胃动风。
味咸。入足少阴经。功专软坚降逆止汗。得柴胡去胁下硬。得松萝茶消项上结核。
得大黄消股间肿。得地黄涩精。得元参甘草腊茶治瘰 奇效。亦有加贝母者。有寒者忌用。
用生用俱可。贝母为使。恶吴萸细辛麻黄。得蛇床远志牛膝甘草良。肉名蛎黄甚美。
性涩。与牡蛎同功。肉咸冷。入足阳明少阴经。功专止渴解酒。文蛤背有花纹。兼
能除烦渴。利小便。口鼻中蚀疳。惟五倍子亦名文蛤。开方须慎之。
味甘、咸，性温，有毒。归入手经和足经的太阴经与厥阴经。功效专门治疗风湿导致的瘫痪、麻风病及疥癣癞疾。对于类中风属于虚证的患者是大忌。蛇头可治疗白癜风和毒癞，用火炮制效果良好。乌梢蛇无毒，但药力较浅，功效与白花蛇相同。有时用酥油炙烤后使用。
味咸。入足少阴肾经。功效专门疏通任脉。配合黄柏、知母，可治疗阴虚引起的劳热；配合侧柏叶、香附，可治疗气机郁结；配合妇人头发、川芎、当归，可治疗耻骨联合不开（难产）及下死胎；配合鹿角胶，可阴阳双补。肾虚无热者忌服。若出现阴囊肿烂异常的情况，先用苏梗煎汤洗净污垢，取一个龟板研末，加入孩儿茶，少许冰片调匀外敷即可痊愈。龟板恶沙参。尿液浸染的胡须可治疗哑聋。治疗龟胸、龟背，用尿液涂抹患处可痊愈。
味咸，性寒，属阴。入足厥阴肝经和足少阴肾经。功效专门治疗疟疾和瘕积。配合青蒿，可治疗骨蒸劳热；配合桃仁，可治疗奔豚气痛。无肝热者忌服。醋炙后可治疗石淋和奔豚。童便炙后可治疗劳病。龟肉能凉血补阴，可用生姜、砂糖煮羹食用。不用盐和酱来治疗疟痢。脾虚者大忌。龟板恶矾石。忌食苋菜和鸡蛋。
味咸，性寒，有小毒。入手经和足经的太阴经与厥阴经。功效专门清除热结，疏通经脉，接续筋骨。生品捣碎后用热酒调服，可治疗跌打损伤。汁液涂抹漆疮，能化解漆毒。牡蛎爪（或指其坚硬部分）有堕胎作用。其性寒伤胃且动风。
味咸。入足少阴肾经。功效专门软坚散结，降逆止汗。配合柴胡，可消除胁下的硬块；配合松萝茶，可消散颈部的结核；配合大黄，可消除大腿间的肿胀；配合地黄，可固涩精气；配合玄参、甘草、腊茶，治疗瘰疬有奇效。也有加入贝母的。有寒证者忌用。生用或煅用均可。以贝母为使药。恶吴茱萸、细辛、麻黄。配合蛇床子、远志、牛膝、甘草则疗效良好。其肉名为“蛎黄”，味道极美。
性涩。功效与牡蛎相同。肉质咸冷。入足阳明胃经和足少阴肾经。功效专门止渴解酒。文蛤背部有花纹，兼能除烦渴，利小便。治疗口鼻中的蚀疳疮。注意：五倍子也名叫文蛤，开方时必须谨慎区分。
The flavor is sweet and salty, the nature is warm, and it is toxic. It enters the Taiyin and Jueyin meridians of both the hand and foot. Its function is specifically to treat paralysis caused by wind-dampness, leprosy, and scabies-like diseases. It is strictly contraindicated for apoplexy-like conditions belonging to deficiency patterns. The head treats vitiligo and toxic leprosy; it is best when processed with fire. Wushao She (Zaocys) has no toxicity but its efficacy is shallow; its functions are similar to Baihua She (Bungarus multicinctus). Sometimes it is used after being fried with butter.
The flavor is salty. It enters the Shaoyin meridian of the foot. Its function is specifically to unblock the Ren Mai (Conception Vessel). When combined with Huangbai (Phellodendri Cortex) and Zhimu (Anemarrhenae Rhizoma), it treats labor heat due to yin deficiency. When combined with Ce Bai Ye (Biota Tops) and Xiang Fu (Cyperi Rhizoma), it treats qi stagnation. When combined with Furen Fa (Human Hair), Chuanxiong (Ligustici Chuanxiong Rhizoma), and Danggui (Angelicae Sinensis Radix), it treats failure of the pubic symphysis to open (dystocia) and expels a dead fetus. When combined with Lujiao Jiao (Colla Cornus Cervi), it tonifies both yin and yang. It is contraindicated for those with kidney deficiency without heat. If there is abnormal swelling and ulceration of the scrotum, first wash away the dirt with a decoction of Sugen (Perillae Caulis), then grind one Guiban (Testudinis Carapax et Plastrum), add Haier Cha (Camelliae Semen Preparatum), a small amount of Bingpian (Borneolum Syntheticum), mix well, and apply externally for cure. It is incompatible with Shashen (Glehniae Radix). Urine-stained beard hair can treat mutism and deafness. For tortoise chest and tortoise back, rubbing with urine leads to recovery.
The flavor is salty, the nature is cold, and it belongs to yin. It enters the Jueyin and Shaoyin meridians of the foot. Its function is specifically to treat malaria and jia masses. When combined with Qinghao (Artemisiae Annuae Herba), it treats bone-steaming labor heat. When combined with Taoren (Persicae Semen), it treats ben tun qi pain. It is contraindicated for those without liver heat. Vinegar-processed it treats stone lin and ben tun. Child's urine-processed it treats labor diseases. The meat cools blood and tonifies yin; it can be eaten as a soup made with fresh ginger and rock sugar. Using no salt or soy sauce treats malaria and dysentery. It is strictly contraindicated for those with spleen deficiency. It is incompatible with Fanshi (Alumen). It is taboo to eat amaranth and eggs.
The flavor is salty, the nature is cold, and it has slight toxicity. It enters the Taiyin and Jueyin meridians of both the hand and foot. Its function is specifically to clear heat accumulation, unblock meridians, and reconnect bones and sinews. Raw material crushed and taken with hot wine treats traumatic injuries. The juice applied to lacquer dermatitis can neutralize lacquer poison. Its claws cause abortion. Its cold nature damages the stomach and stirs wind.
The flavor is salty. It enters the Shaoyin meridian of the foot. Its function is specifically to soften hardness, direct rebellious qi downward, and stop sweating. When combined with Chaihu (Bupleuri Radix), it eliminates hardness in the hypochondrium. When combined with Songluo Cha (Usnea Tea), it dissipates tubercles on the neck. When combined with Dahuang (Rhei Radix et Rhizoma), it reduces swelling between the thighs. When combined with Dihuang (Rehmanniae Radix), it secures essence. When combined with Yuan Shen (Scrophulariae Radix), Gancao (Glycyrrhizae Radix et Rhizoma), and La Cha (Tea Leaves), it produces miraculous effects in treating lu li (scrofula). Some prescriptions add Beimu (Fritillariae Bulbus). Those with cold patterns should avoid using it. Both raw and calcined forms can be used. Beimu serves as an assistant herb. It is incompatible with Wuyu (Evodiae Fructus), Xixin (Asari Radix et Rhizoma), and Mahuang (Ephedrae Herba). It works well when combined with Shechuangzi (Cnidii Fructus), Yuanzhi (Polygalae Radix), Niuxi (Achyranthis Bidentatae Radix), and Gancao. The meat is named Li Huang (Oyster Meat) and is very delicious.
The nature is astringent. Its function is the same as Muli (Ostreae Concha). The meat is salty and cold. It enters the Yangming and Shaoyin meridians of the foot. Its function is specifically to quench thirst and resolve alcohol intoxication. Wen Ge (Meretrix Meretrix Shell) has patterns on its back and additionally clears irritability and thirst, promoting urination. It treats erosion and ulcers in the mouth and nose. Note: Wu Bei Zi (Galla Chinensis) is also named Wen Ge; one must be cautious when prescribing.