Patients with redness, swelling and tingling of the inner labia minora ulcers and watery leukorrhea may be caused by vulvovaginitis, vulvar ulcers, gonorrhea and other diseases. 1. Vulvovaginitis: Vulvovaginitis is a common gynecological disease in clinic, patients may have itching, pain, burning sensation, redness, swelling, tingling and other symptoms of the labia, and patients with serious conditions may have abnormal leukorrhea, such as odor, watery leukorrhea, yellowing and so on. 2. Vulvar ulcers: vulvar ulcers are mostly seen in labia majora and minora, the number of which varies from one to many, and may be accompanied by pain, itching, tingling and other symptoms. Patients with serious ulcers or infections may have watery leukorrhea, and need to exclude vulvar malignant lesions in a timely manner, and standardize the treatment after making a clear diagnosis. 3. Gonorrhea: Gonorrhea is a sexually transmitted disease caused by Neisseria gonorrhea infection, often manifested as suppurative infections of the genitourinary system, patients may also appear on the inside of the labia minora ulcers, redness, swelling and tingling, and leukorrhea like watery symptoms, may be caused by gonorrhea. In addition, syphilis, AIDS and other infectious diseases may also cause such symptoms, it is recommended that patients seek medical examination in a timely manner to clarify the cause of the disease for targeted treatment.