"Compendium of Materia Medica" records: "Ejiao, taken for a long time, will be beneficial. Husband suffers from slight abdominal pain, fatigue, emaciation, Yin Qi deficiency, sore feet and nourishing liver qi. ("Bielu") Strengthen bones and muscles, replenish qi and stop dysentery. Treat hematemesis, epistaxis, bloody stranguria and diarrhea due to intestinal wind. Female hemodynia, dragon's blood, menstrual disorder, childlessness, leucorrhea during collapse, prenatal and postpartum diseases. Wind disease, joint pain, edema, fatigue, cough and asthma, lung flaccidity, purulent blood and carbuncle in men and women. Tonifying blood and nourishing yin, expelling wind and moistening dryness, resolving phlegm and clearing lung, diuresis, conditioning large intestine, and holy medicine.

It is generally believed that Ejiao has the following functions: First, it obviously improves the body's immunity. Second, significantly enrich the blood. Third, promote the absorption and storage of calcium. Fourth, improve the ability to resist hypoxia and fatigue. Fifth, inhibit tumor cells. Sixth, fetal adjustment. Seven, the hemostatic effect is obvious. Eight, anti-shock