Oyster is useful as a traditional Chinese medicine for treating a wide range of ailments with its effects of re-centering and tranquilizing the mind (using ores and shellfish to stabilize the mind), submerging yang and replenishing yin, and softening and dispersing knots (softening and dispersing hardened lumps). Oyster is the shells of oysters of the oyster family, such as the river oyster, the long oyster or the Dalian Bay oyster, etc. It has a salty taste and slightly cold medicinal properties. It belongs to the liver, gallbladder and kidney meridians. Raw oyster has the effects of tranquilizing the mind, submerging yang and tonifying yin, softening hardness and dispersing knots. It is used in treating palpitation and insomnia, dizziness and tinnitus, scrofula (mainly refers to tuberculosis of lymph nodes in the neck), phlegm nuclei (lumps swollen up like nuclei under the skin), obstruction in the abdomen (lumps in women’s lower abdomen), and lumps (lumps). Calcined oyster is used for astringency (astringent consolidation), acid suppression and analgesia (suppressing gastric acid and relieving pain). It is used for spontaneous sweating (involuntary sweating during the day, aggravated by sweating with slight movement), night sweating (abnormal sweating after going to sleep, sweating stops after waking up), spermatorrhea and seminal emission, metrorrhagia (excessive menstruation or more than a few drops), and stomach pain and acid swallowing (swallowing the acid that goes up to the oropharynx in the stomach). The adverse effects and contraindications of the drug are not known. It should be noted that if you feel unwell, it is recommended to go to the hospital as soon as possible, under the guidance of the doctor to carry out scientific treatment, do not avoid medical treatment, not to mention self-medication, so as not to delay the condition and affect the follow-up treatment.