Elderly people can take Colla Corii Asini in moderation to nourish yin and moisten dryness (nourish yin essence, remove heat and evil), replenish blood and so on, but there is no corresponding disease is not recommended to use. Colla Corii Asini is sweet in taste, flat in nature, belonging to lung, kidney and liver meridians, nourishing yin and moistening dryness, tonifying blood and stopping bleeding, and it is mainly used for treating labor cough and hemoptysis (due to overexertion, damage to internal organs and the symptom of coughing and hemoptysis), lung dryness and cough (due to dryness and heat in lungs, resulting in dry cough and little phlegm), heartburn and insomnia, and contracture of tendons and veins (due to the feeling of wind-cold and the body’s spasms, jerks and cramps), and other diseases. Colla Corii Asini is also an essential medicine for stopping bleeding, which can be used for fetal leakage in pregnancy (small amount of vaginal bleeding in early pregnancy), blood in urine, blood in vomiting, metrorrhagia (excessive menstruation or dripping), blood in stool, etc.; it can also be used for impotence of muscles due to blood deficiency, dizziness and palpitations, yellowish color, etc., especially good for treating blood deficiency due to hemorrhage. People with weak spleen and stomach should be cautious of using Colla Corii Asini, and the adverse effects of the drug are not clear. In addition, the efficacy of a single herb is limited and should not be used as a substitute for the therapeutic effect of Chinese herbal tonics or proprietary Chinese medicines. If you feel unwell and need to use the medicine, please go to the hospital and use it under the guidance of a professional doctor to avoid adverse reactions.