Vaginal cleanliness is a test within the routine white belt test that can be used to diagnose vaginal inflammation. The test involves placing a smear of vaginal discharge under a microscope to determine the presence or absence of inflammation based on the number of vaginal bacilli, white blood cells and miscellaneous bacteria. Vaginal cleanliness can be clinically classified into 4 degrees, and the criteria for its determination need to be based on the specific classification and cannot be generalized. The criteria of vaginal cleanliness are as follows: 1.Degree I: large amount of vaginal bacilli and epithelial cells, no miscellaneous bacteria and white blood cells, clean field of view, indicating normal secretion; 2.Degree II: medium amount of vaginal bacilli and epithelial cells, small amount of white blood cells and miscellaneous bacteria, still normal vaginal secretion; 3.Degree III: little vaginal bacilli and squamous epithelium, more miscellaneous bacteria and 4.Degree Ⅳ: no vaginal bacilli, only a few epithelial cells, a large number of leukocytes and miscellaneous bacteria, suggesting a heavy vaginal inflammation, such as mycosis fungoides and trichomoniasis. Among them, degree I and degree II are normal, while degree III and degree IV are abnormal, which indicate vaginal inflammation and need timely measures for treatment. Preventive measures for vaginal inflammation Poor vaginal cleanliness test results indicate the presence of vaginal inflammation, which can be prevented by the following measures: 1. 4. Maintain healthy living habits, proper exercise, reasonable diet, and improve the immunity of the body.