White granules on the edge of the glans may be pearly rash, glansitis, condyloma acuminatum and so on. 1. Pearl rash is a benign lesion, mainly manifested as pearly, translucent papules on the edge of the penile coronal groove and on both sides of the ligament can be white, light red, can be arranged along the coronal groove, in a row or several rows, and sometimes around the entire coronal groove, there is no effect on the human body, and usually do not need treatment. 2. circumcision: superficial glans is manifested by the formation of small granules on the surface of the glans, Candida albicans infection can be seen in the glans small white granular lesions can also be manifested as a red rash, vesicles and desquamation, the patient can feel tingling or itching in the penile area. 3. Condyloma acuminatum: caused by human papilloma virus, mainly through sexual transmission, the initial stage can be manifested as the glans, prepuce and other places appear soft texture small granular lesions, usually light pink, but may also be white. White granules on the edge of the glans may also be other causes, and need to go to the hospital, a clear diagnosis.