Turtle Shell, a name in traditional Chinese medicine. It is the shell of the turtle Chinemys reevesi (Gray), belonging to the genus Chinemys in the family Testudinidae. It has the effects of nourishing yin and subduing yang, benefiting the kidneys and strengthening the bones, nourishing the blood and tonifying the heart, and stabilizing the menstrual cycle to stop excessive bleeding.It is primarily used to treat yin deficiency with internal heat, bone-consuming fever and night sweats, persistent low-grade fever in the late stages of febrile diseases, yin-deficient consumptive cough, hemoptysis and epistaxis, dizziness due to liver yang hyperactivity, internal wind arising from deficiency, weakness and atrophy of tendons and bones, failure of the fontanelle to close, heart deficiency with palpitations, insomnia and forgetfulness, excessive menstrual bleeding and metrorrhagia, red and white vaginal discharge, syphilitic sores, and abscesses and swellings caused by toxic infections.