Grass Turtle, also known as turtle, has the effects of nourishing yin and submerging yang, benefiting the kidneys and bones, nourishing blood and tonifying the heart, and is used as a main treatment for yin deficiency and hyperactivity of yang (deficiency of yin fluid and hyperactivity of yang qi), internal movement of deficiency wind, and fontanelle incompatibility. This drug is less used in clinic now. Grass Turtle is sweet in taste, cold in nature, and belongs to the kidney, liver and heart meridians. It has the efficacy of nourishing yin and submerging yang, benefiting the kidneys and bones, nourishing the blood and tonifying the heart, and is mainly used for treating hyperactivity of yin and yang in the presence of yin deficiency, internal heat in the presence of yin deficiency, internal movement of the wind in the presence of yin deficiency, fontanelle incompatibility, as well as the dislocation of yin deficiency with heat in blood, and the dislocation of the Chongren (weakness of Chongren and Ren) chakra (the two channels of the Chongren, affecting the function of the Chongren chakra), and the menstruation. The drug can be used in decoction, boiling cream, external application, or in pills and powder. The adverse effects of this product are not clear, and it is forbidden to take it for deficiency of spleen and stomach (spleen and stomach weak and cold) and pregnant women. This product is cold in nature and is not recommended to be taken for a long time. If there is any discomfort, it is recommended to consult a doctor in time, do not use medicine without authorization.