Peanuts have hemostatic properties, and their outer skin contains ingredients that can resist fibrinolysis, improve the quality of platelets, strengthen the contraction function of capillaries, and can be used to prevent and treat hemophilia, primary or secondary thrombocytopenic purpura. It also has the effect of preventing and treating bleeding after surgery, bleeding from cancer tumors, and bleeding from the stomach, lungs, uterus and other internal organs. Peanuts have the function of strengthening epidermal tissue and preventing bacterial invasion, and can be used to prevent and treat skin aging, eczema, psoriasis and other skin diseases.