The glans is like a crack without pain may be due to the penis is not erect for a long time, the glans is too dry as well as the foreskin glansitis and other infections, it is recommended to further examination. 1. Prolonged non-erection of the penis: In middle-aged and elderly men, if the penis is not erected for a long period of time and is in a state of weakness, it may lead to wrinkling of the glans skin and the formation of cracks. 2. Overly dry glans: Commonly seen after circumcision, as the glans changes from a previously wrapped state to an exposed state, it may be too dry leading to cracks or even flaking of the glans mucosa. 3. Foreskin glansitis: If you don’t pay attention to personal hygiene, especially if you have a long foreskin or a prepuce, it is very easy to lead to the accumulation of foreskin scales, causing foreskin glansitis, which may also produce cracks. Therefore, it is recommended to go to the hospital to seek further examination by a doctor to clarify the cause of the disease.