Low vaginal lactobacilli may have symptoms such as abnormal vaginal discharge, vulvar and vaginal itching. Normally, lactic acid bacteria in the vagina are beneficial, which are present in the body to ferment carbohydrates into lactic acid, hence the name lactobacilli. At the same time, the lactobacilli in the vagina can maintain the stability of the normal vaginal flora. If there are fewer vaginal lactobacilli it may lead to disruption of the homeostasis of the vaginal flora and vaginal infections, which are manifested by symptoms such as increased vaginal discharge or discharge with a fishy odor. Less vaginal lactic acid bacteria, it is difficult to maintain the acidic environment of the vagina, the vaginal resistance decreases, various types of vaginitis appear, may also be manifested as vulvar and vaginal itching, patients in the night itching symptoms are particularly serious. If the above symptoms occur, it is recommended that patients actively seek medical advice and under the guidance of a professional doctor to carry out the relevant examination and treatment.