Green vaginal discharge without odor is considered as normal vaginal discharge, bacterial vaginosis and so on. 1. Normal vaginal discharge: Normal vaginal discharge stays in the vagina for too long and reacts with the bacteria in the vagina, which may cause the discharge to turn green. 2. Bacterial vaginosis: If women’s immunity drops, they do not pay attention to personal hygiene or do not change their underwear in time, which will lead to a large number of anaerobic bacteria in the vagina, Gardnerella and other bacteria multiply and lead to the occurrence of bacterial vaginosis, and the patient will show a lot of viscous secretion, white, yellow or green in color, accompanied by vulvar itching. For female patients with green vaginal discharge and odorless, it is recommended that they go to the gynecology department of a regular hospital, complete the examination of the leukorrhea and other related examinations, and then take active treatment under the guidance of the doctor after clarifying the cause of the disease.