If you have a urinary tract infection after intercourse, it is recommended that you go to the hospital for a test to rule out sexually transmitted infections. If the test is non-specific, avoiding intercourse is recommended. At the same time, maintain appropriate water intake, can be given quinolone or cephalosporin antimicrobial agents, such as oral levofloxacin hydrochloride capsules or cefixime capsules, cefuroxime tablets and other drugs to fight infection. If there are sexually transmitted diseases, it is necessary to target the use of drugs according to the specific pathogenic bacteria, such as the presence of gonorrhea after coitus, it is recommended that intravenous infusion of ceftriaxone sodium for treatment; if there are mycoplasma, chlamydia, it is recommended that the use of roxithromycin or azithromycin and other medications to deal with the symptomatic treatment. At the same time, in the treatment period need to abstain from coitus, keep local cleanliness and hygiene, can use potassium permanganate solution to carry out local cleaning, keep the vulva clean and hygienic, until the patient’s symptoms completely disappeared, go to the hospital for review, completely back to normal before coitus.