Suddenly more small packets on the glans may have the possible causes of circumcision and glansitis, pearly papules, genital herpes and condyloma acuminatum. 1. Foreskin glansitis: inflammation of the glans as well as the inner plate of the foreskin, inflammation is not controlled in time, there may be inflammatory nodules, manifested as small packets on the glans, redness and swelling of the foreskin, burning pain, aggravated by urination, and pus secretion from the opening of the prepuce can be seen. The foreskin is the most common cause of glans phimosis. 2. Pearly papules: pearly papules are distributed in the coronal groove of the glans and on both sides of the prepuce ligament, without any secretion, pain, bleeding and other symptoms, can be present for a long time, the volume of the size, the number of changes, may be related to the prepuce, prepuce and other factors. Usually pay attention to maintain personal hygiene, diligent cleaning. 3. genital herpes: for sexually transmitted diseases, the male manifestation of the conscious foreskin or glans has a feeling of swelling, found on top of 1-2 small red dots, often in clusters of small rashes, itchy symptoms, 1-2 days the volume of the volume increases as well as the number of increased, into a small blisters and easy to break, the local pain or burning sensation, the need for antiviral treatment. 4. Condyloma acuminatum: a sexually transmitted disease, caused by infection with human papillomavirus, small bumps on the glans, the surface is not smooth, the number of volume can gradually increase, increase and with bleeding, accompanied by abnormal secretion, or accompanied by localized pain, and can be scattered distribution, and gradually grow to the urethral opening, the foreskin, the perineum area of the skin, and so on. The symptoms mentioned above should be treated by a doctor after the diagnosis has been made.