Colla Corii Asini has a therapeutic effect, Colla Corii Asini can be used as a traditional Chinese medicine to treat the symptoms of blood deficiency, hemorrhage, as well as lung yin deficiency, dry cough and other conditions. Colla Corii Asini belongs to the Chinese medicine, for the horse family animal donkey’s dried skin or fresh skin by decoction, concentration made of solid gum. Colla Corii Asini has the effect of tonifying blood and nourishing yin, moistening dryness and stopping bleeding. It is used in the treatment of blood deficiency and atrophy, dizziness and palpitations, impotence and weakness, restlessness and insomnia, deficiency of wind, lung dryness and cough, coughing and hemoptysis, vomiting and urination of blood, blood in stool and leakage of blood (excessive menstruation or dripping), and leakage of fetus in pregnancy (small amount of bleeding from the vagina in the early stage of pregnancy). Adverse effects of Colla Corii Asini are not clear. Precautions are that this product may hinder digestion and should not be used by people with weak spleen and stomach. The method of use is to melt and take. When using medication, you need to be guided by a traditional Chinese medicine practitioner to use medication, don’t use medication arbitrarily, so as to avoid adverse consequences.