There are small lumps on the coronary sulcus. What's going on?

Male coronary sulcus appeared small pimple, if not accompanied by itching symptoms, may be caused by simple genital pearl rash, and patients in peacetime do not pay attention to clean relations, may also be caused by the accumulation of foreskin. If accompanied by itching symptoms, most are caused by bacterial infection of the foreskin, glans inflammation.