Lower body itching is considered vaginitis may be, waist pain is considered to be pelvic inflammatory disease, it is recommended to go to the hospital obstetrics and gynecology department to do a routine examination of the leukorrhea and ultrasound, to determine the cause of the active anti-infective treatment. If it is trichomonas infection, you can take oral metronidazole or vaginal metronidazole suppository treatment. If it is mycosis vaginalis, you can take oral fluconazole or external vaginal clotrimazole suppository treatment. 1. Vaginal inflammation: vaginal inflammation is divided into trichomonas vaginitis, vulvovaginal pseudomycosis and bacterial vaginitis, etc. If there is inflammation in the vagina, there will be increased leukorrhea, vulvar itching and other symptoms, it is recommended to go to the hospital obstetrics and gynecology department to do a routine examination of the leukorrhea to determine whether it is trichomonas or mycobacteria and other pathogens which are infected with active anti-infective treatment. (1) Trichomonas infection: yellowish-green leukorrhea, vulvar itching and other uncomfortable symptoms, if the routine examination of leukorrhea trichomonas and bacterial infections can be prescribed oral metronidazole or topical metronidazole suppository anti-infective treatment. (2) mycosis vaginalis: easy to appear tofu scum-like leukorrhea, and vulvar itching next year, routine examination of the leukorrhea to determine the need for oral fluconazole or vaginal topical clotrimazole suppositories and other anti-infective treatment as prescribed. 2. Pelvic inflammatory disease: Pelvic inflammatory disease is prone to back pain and abnormal leukorrhea, if there is back pain may be pelvic inflammatory disease, it is recommended to go to the hospital obstetrics and gynecology department to do an ultrasound examination to determine whether there is a fluid accumulation in the pelvic cavity, to determine the doctor’s prescription or oral or intramuscular injection of levofloxacin, and other anti-infective treatment. If the lower body itching and lower back pain, it is recommended to go to the hospital in time for examination, to clarify the cause of the disease, and then follow the doctor’s instructions to deal with the treatment of medication. During the medication period, pay attention to maintain vulvar hygiene, warm water bath every night to prevent infection, avoid coitus during the medication period.