Oyster Powder has the effects of calming the liver and submerging yang (suppressing too much rising yang energy in the liver), astringent and solidifying astringency (astringing and consolidating). Oyster Powder is made from the Chinese medicine oyster ground, which is salty, astringent and slightly cold in nature. It has the efficacy of calming the liver and submerging the yang, astringent and solidifying astringency, softening and dispersing knots and knots, and calming the mind and nerves by using medicines that are heavy in nature to stabilize the mind and nerves. This product is mainly used in treating restlessness of the heart and mind, palpitation and insomnia; hyperactivity of liver yang (excessive liver yang, causing dizziness, dizziness, headache and other symptoms), dizziness of the head and eyes; phlegm kernel (subcutaneous lumps swollen up like kernels), gall tumors (equivalent to tumors of thyroid gland), scrofula (mainly refers to tuberculosis of lymph nodes of the neck), impediments and masses (the appearance of tangible or intangible masses in the abdomen, with a feeling of distension and pain). In addition, this product can also be used for spontaneous sweating (involuntary sweating during the day, aggravated by sweating with slight movement), night sweating (abnormal sweating after falling asleep and stopping sweating after waking up), spermatorrhea, seminal emission, urination, frequent urination, metrorrhagia (excessive or dripping menstruation), dysmenorrhea and other slippery disorders; gastric pain and pantothenic acidity; lilies’ disease; bleeding from external injuries; carbuncles and swollen toxins and carbuncle and eczema. The adverse reactions of this product are not clear at present. Note that this product is prohibited for those who are allergic to this product, allergic individuals should be cautious, external surface evidence (mainly manifested as respiratory symptoms after feeling the external evil) and surface evidence of unresolved should not be taken, and should be avoided by people with constipation. If you need to use this product, you should be under the guidance of a physician to identify the evidence, do not use the drug without authorization, so as not to cause adverse reactions.