Colla Corii Asini is a kind of traditional Chinese medicine, usually there is no season to take it, and it can be consumed all year round under the guidance of doctor’s diagnosis. Colla Corii Asini is a kind of blood tonic, with the effect of tonifying blood and nourishing yin, moistening dryness, stopping bleeding, etc. It is commonly used in the treatment of blood deficiency and yin deficiency, and can relieve blood deficiency and yellowing, dizziness and palpitations (rapid heartbeat, often accompanied by panic), heartburn and insomnia, and coughing of dryness of the lungs, etc. For those with spleen deficiency and loose stools, it should be used with caution. For those with spleen deficiency and loose stools (thin and unformed feces), Colla Corii Asini should be used with caution to prevent aggravating the condition and affecting the body’s ability to regain health. For those who are in good health, there is generally no need to take Colla Corii Asini. During the period of taking Colla Corii Asini as prescribed by the doctor, pay attention to the reasonableness of diet, avoiding the intake of cold, spicy and stimulating food. It is recommended to follow the doctor’s advice to identify and treat the symptoms, and not to use drugs or prescriptions indiscriminately. If there are uncomfortable symptoms after consuming Colla Corii Asini, you should stop using it and go to the hospital in time.