The itchy glans symptoms are mainly caused by glansitis, and the main causative agents of glansitis are bacteria, viruses, molds, fungi, trichomonas and so on. In the absence of a specific causative agent, you can use 1:5000 potassium permanganate to wash twice a day, or you can use iodophor disinfection or benzethonium bromide solution to wash, all of the above drugs have the effect of disinfection and sterilization. If the causative agent is clear, you need to use targeted drug treatment, if it is caused by fungal infection, you can use Dakine cream treatment; if it is caused by viral infection, you can use Acyclovir cream treatment; if it is caused by bacterial infection, you can use Bactroban treatment. During the treatment period, pay attention to changing underwear regularly, pay attention to a light diet, drink more water and urinate regularly.