There are two methods of applying rhubarb and mannite externally, namely, powdering the two and mixing them together and applying them to the affected area or mixing rhubarb with mannite in water and applying it. Rhubarb and manganese nitrate are both a kind of laxative drugs, these two drugs in addition to laxative laxative (with laxative effect of the drug to pass stools) strong, can be applied externally for the treatment of inflammation, ulceration or carbuncle. There are two ways of applying these two medicines externally. 1. For external inflammation of the skin, the specific method for the rhubarb and manganese nitrate are powdered in the affected area, if the body is relatively weak or sensitive skin can be a layer of gauze on the skin. 2. After adding the rhubarb powder to the water of the manganese nitrate and mixing well, applied to the affected area, can reduce swelling and dissipate the knot, for the treatment of intestinal carbuncle (carbuncle in the bowels of the intestinal organs, with fever, right abdominal pain, can be felt for the performance of the lumps) at the beginning of the. The specific method of applying rhubarb and mannite externally for the above two, but rhubarb and mannite belong to the diarrhea medicine, strong, weak people are not recommended to use. If you need to apply rhubarb and mannite externally, it is recommended that a professional doctor prescribe the medication according to your condition, and not blindly use it on your own.