Colla Corii Asini is composed of Colla Corii Asini, black sesame seeds, walnuts, rock sugar and yellow wine, and is generally more effective when taken before breakfast and after dinner. It is suitable for both young and old because of its comprehensive health benefits such as blood and qi tonicity, beauty and immunity enhancement. Because before breakfast is the time when the body’s basic metabolism is more vigorous, taking Colla Corii Asini at this time can let the body quickly digest and absorb its nutrients, and give full play to the blood and Qi tonic effect. After dinner is also a good time to take it, because after dinner is the time for the skin to digest and absorb nutrients, at this time to take gum can help enhance the effect of beauty. It should be noted that women should avoid taking Colla Corii Asini cream during the physiological period, because its blood-supplementing effect may cause excessive menstrual flow and prolong the period. It is recommended to keep warm while taking Colla Corii Asini, avoid staying up late and being overly tired, and eat less cold, stimulating and greasy food. In addition, it is not advisable to take too much Colla Corii Asini cream to avoid fire and indigestion.