Scrotal ulcers that are not good and painful for a long time may be caused by scrotitis, scrotal eczema, genital herpes and other factors. 1. Scrotal inflammation: not paying attention to the hygiene of the scrotum area may induce bacterial or fungal infections, causing scrotal inflammation, which is inflamed or stimulated, and will lead to scrotal eruption, and is accompanied by pain, itching, redness, oozing and other symptoms. 2. Scrotal eczema: may be related to environmental factors, dietary factors, so that the scrotum localized red pimples, may gradually erosion, and also accompanied by obvious tingling and itching. 3. Genital herpes: a sexually transmitted disease, caused by the herpes simplex virus, localized small blisters on the scrotum, vesicles may appear, forming ulcers, accompanied by obvious tingling, but also fever, fatigue, headache and other systemic symptoms. Scrotal ulcers for a long time is not good pain, indicating the existence of disease factors, it is recommended that patients go to the hospital urology department for appropriate examination and treatment.