Turtle shell, with its main functions of nourishing yin and submerging yang, clearing heat and removing steam, and softening and dispersing knots (softening and dispersing hard lumps), can be used in the treatment of yin deficiency and fever, bone steam and laborious heat, menstrual closure, and obstruction in the abdomen (lumps in the lower abdomen of women). It can be used in the treatment of yin deficiency and fever, bone vapor and laborious fever, yin deficiency and hyperactivity of yang (deficiency of yin fluid and hyperactivity of yang qi), dizziness and dizziness, internal movement of deficiency wind, menstrual impediment, mass in the abdomen, and prolonged malaria and malaria mothers. It should be noted that it is contraindicated in cases of deficiency and coldness of the spleen and stomach (spleen and stomach weak and cold), loose stools with little food and pregnant women. When turtle shell is used as a traditional Chinese medicine for the treatment of the above mentioned diseases, it should be used under the guidance of a physician and should not be blindly decocted and used on its own.