The danger of long-term consumption of Colla Corii Asini by women is that it may hinder digestion, affect the function of the spleen and stomach in transportation and digestion, or the emergence of eye redness, sore throat and other fire-heat symptoms. Colla Corii Asini is sweet in flavor and flat in nature. It belongs to the lung, liver and kidney meridians. It has the effect of tonifying blood and nourishing yin, moistening dryness and stopping bleeding. It can be used for blood deficiency, dizziness, palpitations, insomnia, internal movement of deficiency wind, lung dryness, coughing, labor and hemoptysis, vomiting blood, urinating blood, blood in stool and leakage of blood (excessive menstruation or more than a few drops), and leakage of fetus in pregnancy (a small amount of vaginal bleeding in the early stage of pregnancy). In addition, the use of Colla Corii Asini in the treatment of yin deficiency and hyperactivity of yang heat, or heat illness injury to the yin, body upset and unable to lie down, red tongue, dry moss and number of pulses, often combined with Huanglian, Scutellaria baicalensis, Paeonia lactiflora, and chickweed yellow, which has the effect of clearing heat and removing vexation. It should be noted that people with weak spleen and stomach, dyspepsia should take it with caution. If you need to use Colla Corii Asini to treat diseases, you should take it in appropriate amount under the guidance of a professional physician, and should not take it by yourself.