Summer is the peak period for bacteria infection, so woman must have knowledge of preventing infection. vaginitis is more common than other infection. So how do people do to prevent vaginitis in summer? Adequate sleep. Make sure you have enough sleep every day, don't stay up late, otherwise it will reduce your body's resistance to disease. Pay attention to the frequency of sexual life, the number of sexual life is more than three times a week, the incidence of urinary tract infections is greatly increased. the number of sexual life of times is need reduce in special stages of in summer. Cleaning on order. the vulva and anus, pay attention to the order of cleaning, wash the vulva and then wash the anus, do not reverse the way; towels and basins must be dedicated, otherwise bacteria can easily invade the urethra. Vulva lotion. Female friends must purchase regular manufacturers' products to prevent inferior products from damaging the normal flora and reducing local resistance. When purchasing sanitary napkins, pay attention to the quality of the product. It should not be stored for a long time to avoid bacterial growth and cause vulvar and vaginal infection. When there is genital itching, the symptoms of leucorrhea, they should go to the doctor as soon as possible. Wash your hands often. The investigation found that human of hands contain a large number of pathogenic microorganisms, such as chlamydia and mycoplasma, which can invade the urethra to cause infection by dissolving this link, so it is also important to develop good hygiene habits.