The glans is red and a little itchy, this is glans vulgaris. In this case, it is recommended that you visit the dermatology or urology department of the hospital to make a valid diagnosis. First of all, you should pay attention to whether there is a history of unclean sexual intercourse. If there is a history of unclean sexual intercourse, you should be alert to the presence of sexually transmitted diseases. If not then it is the result of ordinary glansitis of the foreskin. The first thing that you need to do is to take a look at the actual website. It is generally recommended that you use erythromycin ointment for application, and mycobacterial infections should be applied with dacrynic acid.