Peppermint extract has the functions of anti-virus, analgesia, antipruritic, anti stimulation, cough relieving, sterilization, anti implantation, anti early pregnancy, dispersing wind heat, clearing the first day and penetrating rash. It is mainly used to treat wind heat and cold, the beginning of wind temperature, headache, red sun, throat obstruction, mouth sore, rubella, measles, chest and flank swelling, chronic urticaria, acute colitis, acute mastitis and other diseases.