After the fire, resulting in urinary tract infection, mainly due to bacterial infection caused by the upstream, and fire is not very related, is completely two systems of disease. It is recommended to drink more plain water, or chrysanthemum tea, honeysuckle tea, can play a role in clearing heat and dampness. If necessary, choose oral medication for treatment, such as Levofloxacin Hydrochloride tablets and Sanjin tablets, which are more commonly used drugs and have better treatment effects, and the normal course of the disease takes 5-7 days. During the treatment period, do not eat spicy, stimulating, cold food, pay attention to personal hygiene, no intercourse, if necessary, you can go to the hospital to check the urinary routine, according to the results to make a clear diagnosis.