If there is a red rash on the glans, then it is recommended to go to the hospital for examination to clarify the specific cause of the disease and then treat it symptomatically: 1. Glansitis, which can be seen as a bacterial infection, but also as a fungal infection or trichomonas infection, can appear as a red rash. It can also be accompanied by an increase in local secretions or an increase in local pain and exudation. The glans surface secretions need to be taken for bacterial, fungal, trichomonas and other related examinations. The actual fact is that you can find a lot of people who are not able to get a good deal on a lot of things. It is not accompanied by obvious pain, no local secretions, etc. You need to do local cleaning, good personal hygiene, the rash can gradually disappear. It is recommended that patients with long foreskin and circumcision undergo circumcision at a later date, and pay attention to personal hygiene and diligent cleaning.