Acute vulvovaginitis is characterized by swelling, congestion, erosion, and sometimes ulcers or patches of eczema. Patients feel burning, itching or pain in the vulva, especially during urination. In severe cases, the inguinal lymph nodes are enlarged and painful, and the body temperature may be slightly elevated with an increase in white blood cells. In diabetic vulvodynia, the vulvar skin is red, thickened, often brown and scratched. Because urine sugar is conducive to the growth and reproduction of mycobacteria, it is often complicated by Candida albicans infection. In chronic inflammation, the vulva is itchy and mossy. The vulva burning, itching or pain when urinating the lighter women bring great inconvenience, the heavier women’s physical and mental health are causing great harm, so women should understand the prevention of burning, itching or pain vulva when urinating! 1.Strengthen health education and pay attention to personal hygiene. 2, public bathrooms should be equipped with showers, bath tubs, bath paste, etc., with disinfected public toilets, squatting type is appropriate, strict management of swimming pools, trichomonas must be treated before entering the pool. 3, the patient’s family should also be examined, and those found to have trichomonas should be treated. 4, gynecological examination tools should be strictly disinfected to avoid cross infection.