Colla Corii Asini can be eaten by steaming, generally take an appropriate amount of Colla Corii Asini and smash it into a steaming cup or bowl, then add a little yellow wine and water and stir it together into a steamer to be steamed. Colla Corii Asini can be used in both medicine and food, it is the fresh or dried skin of the donkey of Equus caballus by decoction, concentration of solid gum, mainly has the effect of tonifying blood and nourishing yin, moistening dryness and stopping bleeding. Colla Corii Asini can be used for blood deficiency, dizziness and palpitations (rapid heartbeat, often accompanied by panic), muscle impotence and weakness, heartburn and insomnia, deficiency of wind, coughing, coughing and haemoptysis, vomiting and urination of blood, haematochezia (excessive menstruation or more than a few drops), and foetal leakage (small amount of bleeding from the vagina in early pregnancy). If the product is used alone, it should be smashed first to facilitate thorough melting, and then stirred with a little yellow wine and water and steamed together in a steamer for 10~20 minutes. It should be noted that Colla Corii Asini is sticky and nourishing, which hinders digestion, so it should be used with caution for people with weak spleen and stomach, and should not be taken by patients with cold and flu, and it is recommended to take Colla Corii Asini under the guidance of a physician if you need to take Colla Corii Asini with the above mentioned medical conditions.