There are many kinds of hazards of tinea cruris, which can affect women’s daily work, life and study, cause local infections, and cause spreading and contagion, and so on. 1. Affecting daily work, life and study: Because ringworm can cause the affected area to itch unbearably, at this time, women will unconsciously scratch with their hands, due to the special part of the psychological pressure. When the itching is severe, the patient can’t even concentrate, affecting the quality of life and mental health. 2. Causing local infections: repeated scratching can lead to bacterial infections, and purulent bacterial infections can form on the surface. 3. cause spread and infection: ringworm due to fungal infection, has a certain degree of contagious, the patient after scratching can cause ringworm, gray nails, etc., and secondly, if the underwear, underwear treatment is not clean can cause the occurrence of vaginitis. Ringworm need to go to the hospital, under the guidance of the physician to choose reasonable drugs and methods of treatment, they can not randomly use drugs.