Urinary system infection, including many diseases, such as pyelonephritis, cystitis, urethritis, etc. Symptoms are mainly manifested as frequent urination, urgency of urination, lumbar pain, lower abdominal pain, etc.; treatment is mainly through general treatment, antibiotics and other medications. 1.Symptoms: (1) Pyelonephritis: Acute pyelonephritis may cause fever, chills, muscle pain, back pain, accompanied by frequent urination, urgent urination, painful urination and other symptoms. (2) Cystitis: mainly manifested as abnormal urination, such as frequent urination, urgency, pain in urination, cloudy urine, and abdominal swelling. (3) Mainly manifested as urethral burning, pain, frequent urination, urgency and other symptoms, some of which may also lead to discharge from the urethra. 2.Treatment: Drink plenty of water, pay attention to rest, eat a light diet, avoid sexual life, you can follow the doctor’s advice with sulfadiazine, methotrexate, levofloxacin and other drugs for treatment. Drugs may have gastrointestinal irritation, as well as the occurrence of allergic reactions, allergic to drugs is prohibited. Urinary tract infections should first go to the hospital to confirm the diagnosis, all drugs need to be used under the guidance of a professional doctor.