The lower part of the girl mostly refers to the vulva, and the appearance of pain and itching is mostly due to vaginitis, allergy, vulvar leukoplakia and other reasons. It is recommended to pay more attention to local hygiene, and at the same time use medication, such as bisacodyl suppositories, miconazole nitrate suppositories, mometasone furoate cream and so on. 1. Vaginitis: common types of vaginitis include trichomonas vaginitis, bacterial vaginosis, candida vaginitis, etc. Due to the stimulation of pathogenic bacteria, it may lead to pain and itchy symptoms on the vulva. Generally need to choose suppository treatment, such as: bisacodyl suppository, miconazole nitrate suppository, etc., but for those who can not use suppository, it is recommended to take oral metronidazole tablets, fluconazole tablets and other medications to treat. 2. Allergy: After contacting certain substances that cause allergy, it may also lead to vulvar pain and itching. It is recommended to get rid of the allergens in time, and apply mometasone furoate cream, hydrocortisone butyrate cream and other medications if necessary; in serious cases, chlorpheniramine maleate tablets, loratadine tablets and other medications should be taken orally to treat the condition. 3. Vulvovaginal white lesions: pain and itching may occur after scratching. It is recommended to pay more attention to local hygiene and apply hydrocortisone butyrate cream, tacrolimus ointment and other medications; while the symptoms are more serious, it is recommended to take oral retinoic acid, dexamethasone tablets and so on. Girls with symptoms of vulvar pain and itching, it is recommended to consult a doctor in a timely manner, after the doctor’s interview with the relevant items of the examination, to clarify the specific causes of the cause of the cause of the treatment.