Small pimples on the glans that don’t hurt or itch can be caused by diseases such as pearly papules and condyloma acuminatum. 1. Pearly papules: a skin disease characterized by pearly, translucent papules on the coronal edge of the penis and the coronal groove. The cause of the disease is not clear, and may be related to factors such as long foreskin, poor personal hygiene, and infection of the coronal groove of the foreskin. White, yellow or red papules can appear, most patients generally have no conscious symptoms, neither pain nor itch phenomenon. 2. Warts: also known as genital warts, venereal warts, anal genital warts, mainly caused by human papilloma virus infection caused by the common sexually transmitted diseases. It may be induced by factors such as unclean sex, smoking, and low immune function, and can appear as obvious skin lesions, with multiple small pale red papules, most patients have no obvious self-conscious symptoms, and it doesn’t hurt or itch. In addition, there are many other diseases can also cause small pimples on the glans without pain or itching, it is recommended that patients go to a regular hospital in a timely manner, do the relevant examination to clarify the cause of the disease, and then follow the doctor’s instructions for treatment, to avoid delaying the condition.