The symptoms of urinary tract infection in women mainly include urinary frequency, urinary urgency, urinary pain, and some patients may be accompanied by physical hematuria, suprapubic pain, difficulty in urination, lumbar pain, etc. The acute stage may also be accompanied by fever, but the symptoms are not exactly nine. Usually, the possible symptoms of urinary tract infection in women are related to the site and stage of infection: 1. Cystitis: the main symptoms are usually signs of urinary tract irritation, namely urinary frequency, urinary urgency, urinary pain, accompanied by discomfort on the pubic bone or perineal discomfort and burning sensation in the urethra of the affected women. In women with acute simple cystitis, positive leukocytes are usually seen in the urine and there is often urge incontinence, cloudy urine, hematuria throughout or hematuria at the end. Recurrent cystitis has basically the same symptoms as the former when it recurs; 2. Pyelonephritis: The main symptoms of acute pyelonephritis in women, in addition to signs of urinary tract irritation and difficulty in urination, are usually accompanied by lumbago, which may be affected or bilateral, with significant pain on percussion of the kidney area on the body surface, along with symptoms of acute infection such as fever and chills. The performance of chronic pyelonephritis is usually less typical, and with the development of the disease, low fever, frequent urination, and lumbar pain may appear. 3. Complex urinary tract infection: Some female patients have poor immunity or other underlying diseases, and the symptoms may not be obvious after the occurrence of urinary tract infection, or the symptoms may be more severe, or even the performance of bacteremia or sepsis. In addition, some female patients with urinary tract infections can not show any symptoms, only found in the examination of urine bacteria, clinically generally known as asymptomatic bacteriuria.