At present, there is no authoritative clinical data to indicate how long the vaginitis should be used, how long the vaginitis should be used needs to be judged according to the patient’s type of vaginitis, whether or not to standardize the treatment. The majority of patients need to be treated with medication for 7 to 14 days, and a small number of patients may need to use medication for 3 to 6 months. How long to use medication for vaginitis needs to be judged according to the type of vaginitis of the patient, whether or not to carry out standardized treatment. If the patient for the first time trichomoniasis or bacterial vaginosis, follow the doctor’s instructions for standardized treatment, you need to use the drug for 7 days. For patients with trichomoniasis who have failed the initial treatment with medication, it is necessary to continue the medication for 5 or 7 days. If the patient develops atrophic vaginitis, the medication needs to be used for 7 to 14 days. If the patient develops complicated vulvovaginal pseudomycosis, the patient needs to be treated with medication for 7 to 14 days under the supervision of a doctor, and if the patient develops recurrent vulvovaginal pseudomycosis, the patient needs to be treated with medication for 6 months. In the case of pregnancy, the patient needs to be treated with medication for 7 days. It is recommended that patients with vaginitis should consult a doctor, who will determine the duration of treatment and give the appropriate treatment according to the patient’s condition.