When the vulva hygiene is not well taken care of, the vaginal flora environment is dysfunctional, the immunity is low, the hormone level in the body changes, and at the same time after intercourse, itching of the vulva is accompanied by cross-infection, which may even cause inflammation of the vagina and vulva. When a woman has an itchy and painful vulva, she should go to the gynecology department and have a routine white belt test to determine what kind of inflammation it is, because sometimes there is an acute phase of inflammation, there will be pain and itching, depending on the situation, such as vaginal plugging treatment is needed. If possible, douching in the hospital, together with local medication, can be more effective, and the medication can be used for 7-10 days when you return to form a treatment cycle. In the future, you should pay attention to your personal hygiene as much as possible, especially the hygiene of intercourse, to avoid frequent cross-infection, wear cotton underwear as much as possible, change it every day, and use boiling water to scald your underwear, which can play a role in disinfection and sterilization.