The main function of tincture of bone marrow is to harmonize qi and blood, invigorate blood circulation, moisturize skin and relieve itching, and also has the effect of removing white spots and also has a certain effect of hair growth. It generally has a certain therapeutic effect on skin damage caused by the occurrence of skin cell metabolism disorders, as well as autoimmune defects. In the clinic is generally mostly used for vitiligo, flat warts, baldness and pruritus, and even neurodermatitis, all have a certain therapeutic effect. However, due to the strong irritation of the drug, especially for those with more sensitive skin, it needs to be used with caution. Because the tincture inside the tincture of bone marrow is mainly 75% alcohol, it is more irritating to the skin mucosa. In case of adverse or allergic reactions, the drug needs to be discontinued promptly.