Penile pain and itching, then the possible causes: 1, the emergence of circumcision and glans, which can appear in the penis localized pain or itching symptoms. The appearance of localized swelling, and accompanied by erosion, accompanied by increased secretion and so on. There are many causes of infection, such as bacterial or fungal infection, trichomonas infection, or localized dirt irritation, resulting in non-infectious itching or pain, edema. We need to maintain local personal hygiene, if there is secretion, we need to do the relevant secretion of the pathogenicity of the test, to specify the cause of infection, so that the use of symptomatic drugs to deal with. 2, the emergence of local allergic reaction, there can be itching, manifested as contact allergy, such as contact with the condom or contact with some of the allergic drugs, local itching, and can also be accompanied by localized rashes, such as higher than the surface of the skin, or the wind or local oozing. It may be accompanied by localized rashes such as bumps above the surface of the skin or localized oozing. Allergen testing is needed to stop allergen exposure, and the itching can be relieved.