Small intestine fire is the name of traditional Chinese medicine, subtype belongs to the dampness and heat down to the bladder evidence, the western medicine is called urinary tract infection, mainly with urinary urgency, frequent urination, painful urination, abdominal swelling as the clinical manifestations. Treatment mainly from the diet, quit smoking and drinking, eat less or no spicy stimulating food, eat more fruits and vegetables less meat, drink more boiled water to increase the amount of urination, and keep your emotions happy. Other to do more rest, ensure adequate sleep, improve immunity and so on. If the condition is more serious to cooperate with some oral drugs for treatment, such as three gold tablets, levofloxacin tablets, etc., Chinese medicine can be applied to the treatment of eight Zheng San.