Vulvar itching with greenish leukorrhea is mostly caused by inflammatory reactions in the vagina, such as bacterial vaginosis, mycotic vaginitis and trichomonas vaginitis, etc., but the specific symptoms are different. 1. Bacterial vaginosis: caused by bacterial infection, manifested as thin greenish leukorrhea, not accompanied by tofu scum-like, cheese-like, granular leukorrhea, no obvious odor. 2. Mycotic vaginitis: caused by vulvovaginal mold infection, manifested as greenish leukorrhea, and leukorrhea is tofu scum-like, cheese-like thick leukorrhea, or granular leukorrhea. 3. Trichomonas vaginitis: caused by Trichomonas vaginalis, manifested as thin purulent, yellowish-green foamy leukorrhea, leukorrhea with foul smell, and accompanied by vulvar itching, burning, pain and other symptoms. When the symptoms of vulvar itching and greenish leukorrhea appear, it is recommended to consult a doctor in time to improve the routine leukorrhea, vaginal secretions and other related examinations to confirm the pathogen, and follow the doctor’s instructions through the medication, not self-medication.