Some people think that as long as the genitals have a problem, it is a sexually transmitted disease. In fact, as long as both husband and wife have no history of unclean sexual intercourse, the husband’s penis glans at ulceration, erosion and other inflammatory manifestations, should be considered may be non-STD disorders, do not be ashamed to go to the doctor for medical treatment. Common genital lesions are: 1. Glansitis: the symptoms are red, edema and erosion of the skin at the glans prepuce, and even bleeding. If accompanied by bacterial infection, there will be ill-defined red spots in the foreskin, milky exudate, and with pus with a foul smell, and ulcers can form. It is very important to use antibiotics to treat this condition. Keeping the external genitalia clean is a good way to prevent this disease. 2.Cancer of penis: the lesion starts as hard nodules and gradually increases in size, with uneven surface and hard texture. In addition, a few patients have glans flushing and erosion with hard texture, which does not heal after a long time. 3, fixed erythema drug rash: caused by drugs, including sulfonamide drugs such as cotrimoxazole caused by the most common, followed by tetracycline and antipyretic painkillers. After the occurrence of drug rash often have a local burning and itching sensation, vesicles feel pain, after appropriate rest and treatment, about three weeks to cure. 4, contact dermatitis: mostly occurs at the glans penis, this is due to the external use of drugs, vaginal suppositories, contraceptive tools and deodorants, or some soap and other stimuli caused by the local skin flushing, causing small papules, and even blisters, vesicles and ooze, patients often feel the local skin itchy unbearable.