Colla Corii Asini, sweet in taste and flat in nature, belongs to the lung, liver and kidney meridians, has the effect of tonifying blood and nourishing yin, moistening dryness and stopping bleeding, and it can be used for symptoms such as blood deficiency and yellowish coloration, vertigo and palpitations, muscle weakness and insomnia. Colla Corii Asini is sweet, warm and moist, often used to nourish blood, can be used to treat blood deficiency, dizziness and palpitations, etc.; Colla Corii Asini is viscous and has a good effect on stopping bleeding, can be used to treat bleeding disorders such as vomiting blood, urinating and defecating; Colla Corii Asini nourishes yin, can nourish the kidney yin, can nourish yin and moisturize the lungs, and can be used to treat heartburn and insomnia, cough and coughing up blood and other disorders. When taking Colla Corii Asini, it should be melted and taken. The adverse reactions and contraindications of this product are not clear. However, it is important to note that Colla Corii Asini is quite nourishing and not easy to be digested, so it should be taken with caution by people with weak spleen and stomach. Colla Corii Asini belongs to the Chinese herbal medicine, should be taken under the guidance of a professional doctor, should not be taken on their own, in order to avoid adverse reactions.