The purpose of cleaning is to maintain local hygiene after a male has a urethritis, and cleaning can be done externally with gynecological cleanser or potassium permanganate lotion. Potassium permanganate should be prepared in a ratio of 1:5000. The majority of the treatment of male urethritis is caused by non-gonococcal urethritis, generally to be treated with antibiotics mainly. The first principle of its treatment is to be diagnosed and treated in a timely manner; secondly, oral antibiotic treatment is the main; thirdly, it should be reviewed after treatment; fourthly, if it depends on whether other sexually transmitted diseases are combined, it should be reviewed after two to four weeks of infection. If a man is diagnosed with non-gonococcal UTI, his sexual partner should be treated at the same time and unprotected intercourse should be avoided during this period. The specific treatment of non-gonococcal UTI can be done with cromolyn or macrolide or quinolone antibiotics.