The high level of leukocytes and epithelial cells in urine routine is mostly due to the occurrence of urinary tract infection. The disease is clinically prevalent in women and can manifest as symptoms such as frequent urination, urgent urination, painful urination, etc. Some patients may also have symptoms such as hematuria, fever and back pain. The main causative agent of urinary tract infection is Escherichia coli, which spreads along the urethra into the human urinary system, where the bacteria multiply in the body and produce a corresponding inflammatory response. In terms of treatment, the main use of antibiotics, you can apply levofloxacin and other drugs anti-infection treatment. At the same time, patients need to pay attention to drink more water, urinate regularly and not to hold urine, which can effectively promote the recovery of urinary tract infection. In daily life, attention should be paid to not staying up late or overworking to avoid causing the body’s immunity to be low. The diet should be lighter and less spicy and stimulating food.