Marks on a man’s glans may be caused by friction, glansitis, condyloma acuminatum and other reasons. 1. Friction: it may be caused by the patient often wearing chemical fiber fabric underwear, tight jeans and other reasons. Due to long-term friction of the glans, there can be local mucosal damage, pigmentation and other symptoms, which can cause the phenomenon of traces on the glans. 2. glansitis: it may be caused by pathogenic bacteria infection, local stimulation, etc. Due to the stimulation of inflammation, the patient may have redness and swelling of the glans, itching, increased secretion and other phenomena. When the secretion dries up, traces may appear on the glans. 3. Condyloma acuminatum: mainly caused by human papillomavirus infection, patients may appear pimples, keratinized plaques, papillary or cauliflower-like superfluous organisms. When the superfluous organisms after the treatment of the healing, the glans can leave a scar, which is manifested in the phenomenon of the glans with traces. Men with traces on the glans can also be seen in other diseases, it is recommended that patients go to the hospital in a timely manner, follow the doctor’s instructions for treatment, to avoid delaying the condition.