The reason for prostatitis at the age of 18 is as follows: 1) Children in this age group are often in high school, where studying is stressful, and sitting for a long time can cause prostate congestion and impaired blood circulation, which can lead to prostatitis. 2) Children in this age group are curious about their sexuality, and they lack the correct knowledge of sexual physiology. As long as the standardized treatment, give up the bad habit of masturbation, appropriate to participate in outdoor activities, most can be cured, so do not be nervous.