It is a lactic acid bacterium, not a drug, but it is mainly used to regulate vaginal dysbiosis, which can cause vaginal dysbiosis, such as fungal bacteria, excessive use of vaginal plugs or inappropriate use can cause vaginal dysbiosis, in addition, vaginal dysbiosis caused by abortion, induction and scraping surgery or sexual life, etc. After washing the vulva, put on the disposable gloves and put Jiayin into the deep part of the vagina, you can put 2 pills at the beginning, then 1 pill each time, you can use it before going to bed. The duration of treatment is about 1 week, which is relatively suitable. During the treatment period, the diet should be light and avoid the intake of stimulating and internal fire-heavy foods.