Sexual intercourse is not recommended for urethral infections because urethral infections can be transmitted to each other through sexual intercourse, for example, gonococcal infections, mycoplasma, chlamydia, and fungal infections of urethritis, all of which can be transmitted through sexual activity. This is called sexually transmitted diseases, such as gonorrhea or non-gonococcal urethritis have a very clear history of sexual transmission. Therefore, it is recommended that patients go to the hospital to carry out the relevant culture examination, clear pathogenic bacteria to take symptomatic drugs to actively treat the treatment period need to abstain from sex, waiting for the symptoms to disappear completely, and then review the urine routine, urine culture and so on completely normal before having sex, to avoid sex between husband and wife or partner to avoid the occurrence of sexually transmitted diseases. For patients who have already been infected and have sex, it is recommended that both husband and wife or partners take medication together. Especially after mycoplasma, chlamydia or gonococcus infection, it is recommended that both spouses take treatment together, otherwise the infection will not be easily cured.