Generally speaking, raw oyster is mainly used to calm the mind according to traditional Chinese medicine, while calcined oyster is mainly used to stop sweating and consolidate the surface and astringent yin, so according to traditional Chinese medicine, calcined oyster should be used as appropriate. Generally, calcium deficiency will be manifested as sweating, spontaneous sweating and night sweating, so calcined oyster can be used. Of course, according to the Chinese medicine dialectic to use the best medicine.