The most common vaginitis after pregnancy is mycosis vaginalis. If it is mycosis vaginalis, you can apply clotrimazole vaginal tablet or dacrynic pessary vaginally and it will be treated after 1-2 courses of treatment. However, in this case, it is necessary to go to the hospital for a leucocyte test and use medication according to the results of the leucocyte test. In addition to mycotic vaginitis, trichomoniasis and bacterial vaginitis may also cause vulvar itching. It is better to use medication according to the test results, which is more accurate.