The redness and swelling of the urethral opening is usually caused by inflammation that irritates the mucous membrane of the urethra and is related to urinary tract infections, such as inflammation of the bladder, inflammation of the urethra, and epididymitis caused by bacterial growth in the perineum in men due to lack of hygiene. It is important to actively treat as well as prevent it in life. 1, for urinary tract infections is currently the main use of antibacterial drugs, such as compound sulfamethoxazole, quinolones, cephalosporins. If you have pain in the urethra, you can take antispasmodic and pain-relieving drugs, such as scopolamine tablets. Some Chinese medicines such as Sanjin tablets and Qinghe Tonglin capsule have the effect of detoxifying and clearing heat. 2, life should pay attention to prevention, through dietary adjustment, work and rest routine adjustment, as well as mental adjustment efforts. (1) The diet is mainly light, chili, alcohol as little as possible. Drink more water and eat more vegetables. (2) work and rest must be regular, avoid staying up late, not overly fatigued. Appropriate to go outdoors a little. (3) Maintain a happy mood is very important to prevent urinary tract infections, bad moods can sometimes directly cause disease. For the urethral orifice redness to pay attention to, if the inflammation is not actively treated can become a chronic infection, it is recommended to actively go to the urology department for detailed examination and diagnosis.