The phenomenon of vaginal pain in late pregnancy, considering the performance of vaginal inflammation, should first check the routine examination of leukorrhea to determine the condition, and then take symptomatic treatment, trichomoniasis vaginitis can use metronidazole pessary intravaginal medication; mycosis vaginitis can be used with mycoplasma mycoplasma pessary intravaginal medication. Topical medication will not have a great impact on the fetus, control the condition after the timely withdrawal of medication, usually try to pay attention to hygiene and attention to cleaning, in the diet also need to pay attention to do not eat spicy and stimulating food.