Fumigation of the vulva is useful for the prevention and treatment of diseases of the reproductive system and for the regulation of the physical state. The role of the drug in the form of steam, fumigation of women’s vulva parts, can make the drug more uniform action on the affected area, while more conducive to the drug into the body’s blood circulation. The benefits are mainly the following: 1, sterilization and anti-inflammatory. The female external genitalia is short in length and there is a lot of secretions, very easy to breed germs, through the drug fumigation can play the role of anti-inflammatory, sterilization, itching. 2, menstrual regulation and pain relief. It can improve women’s menstrual discharges. Women’s coldness, dysmenorrhea and menstrual cramps caused by stagnant blood and cold during menstruation can be improved by fumigation, because the higher temperature steam can warm the uterus and improve blood circulation in the uterus. 3, disease prevention. Through medication fumigation can improve local blood circulation, promote the discharge of impurities and prevent the occurrence of diseases.