The benefits of eating Colla Corii Asini before going to bed include replenishing blood, nourishing yin, moistening dryness, etc. However, whether or not you need to take Colla Corii Asini should be decided by a professional physician to identify the evidence, and should not be used blindly on your own. Colla Corii Asini is sweet in taste and flat in nature, entering the liver, lung and kidney meridians, with the effect of tonifying blood and nourishing yin, moistening dryness and stopping bleeding, it is used in the treatment of all evidence of blood deficiency, such as prolonged illness, weakness, loss of blood and eyesight, weakness of the limbs, lumbar and knee soreness and softness (lumbar and knee soreness and softness), yellowish muscle thinness, forgetfulness and insomnia, and women’s post-partum deficiency, etc. It can also treat dryness and injury to the lung yin. It can also be used to treat dry cough without phlegm and dry nose and throat due to dryness and injury of lung yin; cough and asthma, dry throat and blood in phlegm due to lung yin deficiency and heat; and various bleeding conditions due to various reasons. People with spleen deficiency and loose stools (thin and unformed feces) should be cautious of using Colla Corii Asini. When discomfort occurs, one should consult a doctor in time and choose medication under the guidance of the physician’s diagnosis, and should not use medication on one’s own in order to avoid delaying one’s condition.