Female urinary frequency after sex, urinary pain, there may be the following three main reasons: First, it may be the injury of the genitourinary tract, such as sex when the movement amplitude is larger, the force is larger, there may be the mucous membrane of the genitourinary tract of the abrasion or contusion, this time we should temporarily avoid sexual life. In addition, to drink more water, if necessary, can take oral antibiotics. Second, the most common cause may be urinary tract infection, you can take urine for urinalysis, plus bacterial culture plus drug sensitivity. If the urine analysis suggests white blood cells or directly find bacteria, it suggests a urinary tract infection. At this time, according to the results of the drug sensitivity test, the use of targeted antibacterial drugs, the most common empirical drugs are quinolones, such as ofloxacin, levofloxacin or cephalosporins, such as ceftazidime, cefsulphamidothiamidine, cefaclor and other drugs. Third, there may be a mixture of injury plus infection, on the one hand, avoid sex, drink more water, on the other hand, or oral antibiotics. In addition to quinolones and cephalosporins, you can also use penicillin drugs, such as amoxicillin clavulanate potassium, piperacillin sulbactam and other drugs.