The vast majority of inflammation of the urethra in boys is caused by a long foreskin. Because the foreskin is too long, usually not effectively turned, clean and clean, there is secretion on the inner plate of the foreskin. The inner plate of the foreskin has a lot of secretions, long-term encapsulation of the glans, which can easily lead to inflammation of the foreskin and glans, and inflammation of the urethra. In this case, you should drink a lot of water, open the foreskin and clean it every day, and most of them will return to normal soon. You can also use 1:5000 potassium permanganate diluted solution soak, morning and evening once, each 3-5 minutes, usually 3-5 days can return to normal. If the inflammation is heavy, with urethral urethral redness, edema, painful urination, you need to take oral broad-spectrum antimicrobial treatment, broad-spectrum antimicrobial recommended cephalosporins.