1, glans folliculitis: the mucosal surface of the glans can form a boil-like change, the surface is red, painful to the touch, often accompanied by local pain symptoms;

2, glans eczema: on the surface of the glans can be formed in clusters of small blisters, often accompanied by small red pimples change, may have local itching symptoms;

3, Glans pearly rash: on the surface of the glans coronal groove can form a circle of red pimples change, independently arranged with each other, not accompanied by pain or itching symptoms. This disease occurs in 20-40 years old young men, due to long-term masturbation or repeated inflammation of the foreskin glans, stimulation of the glans coronal groove, connective tissue hyperplasia;

4, glans sebaceous cysts: such patients will also appear on the glans with small bumps on the symptoms.

Therefore, patients with the above symptoms should go to the urology department in a timely manner, and the local physical examination can find out whether the corresponding disease occurs.