Itchy perineum in women can be caused by vaginitis. Trichomonas and fungal vaginitis secrete some secretions that can easily stimulate the vulva and cause itching. It is best to have a routine leukorrhea examination in time to determine the type of vaginitis with specific medication. If you have urinary tract infection, gonorrhea, etc., it can also cause vulvar itching. You can have a routine urine examination and urethral discharge examination, etc. If it is caused by vaginitis, you can use local medication such as metronidazole pessary or ketoconazole pessary to treat it. Pay attention to the vulva hygiene, usually douche the vagina with cleanser, suggest changing underwear regularly, if it is a common urinary tract infection, treat it with oxyfloxacin. If the infection is gonorrhea, it is best to conduct a drug sensitivity test and choose a sensitive antibiotic treatment. During the treatment period, it is best not to pass, so as not to infect each other, and underwear should be washed and disinfected at high temperature in time.