The severe odor of shorts in late pregnancy may be caused by vaginitis, which can be treated by improving lifestyle habits and topical medications. 1. Improvement of lifestyle habits: late pregnancy estrogen increases, vaginal secretions increase, there may be leakage of urine and premature rupture of membranes, urine mixed with vaginal secretions may cause odor, the patient can improve the symptoms by changing underwear diligently, washing the perineum with water. 2. Topical medication: Pregnant women are also prone to vaginitis during pregnancy, and patients with bacterial vaginosis can use clindamycin vaginal ointment for treatment. Vulvovaginal pseudomycosis patients can use clotrimazole suppositories and other drugs for treatment. Patients in pregnancy is generally not recommended oral antibiotic treatment, patients need to strictly follow the doctor’s instructions for medication, is strictly prohibited to take oral medication to prevent adverse reactions.