Putting pepper on plaster and sticking it on navel can cure diarrhea. This method is really effective, but because the pepper tastes pungent and hot, it is mainly used for simple diarrhea of deficiency-cold type, not suitable for people with hot diarrhea, heavy diarrhea or bloody stool. This belongs to umbilical therapy in external treatment of traditional Chinese medicine. Umbilical therapy refers to making drugs into appropriate dosage forms (such as ointment, pill, ointment, etc.). ) and apply it to the navel, or give some stimulation (such as hot compress and cupping). ) dredge the meridians to achieve the effect of preventing and treating diseases. Umbilical therapy can be applied to many common diseases in internal medicine, surgery, gynecology and pediatrics, especially for people who are afraid of pain due to injection, painful to take medicine and prone to vomiting after taking medicine, especially children. Umbilical therapy, generally with 75% alcohol cotton ball disinfection umbilical first. Umbilical therapy is generally fixed with adhesive tape or ointment for treating dampness and relieving pain, and can also be fixed with gauze. Before using drugs with strong sexual stimulation, apply some vaseline on the navel to avoid damaging the skin of the navel, especially when children use drugs. It's best to use belly button stickers, just stick a sticker.