Urinary tract infection and urinary stones can be distinguished by clinical symptoms and laboratory tests. 1. Clinical symptoms: urinary tract infection is an infectious disease of the urinary system caused by pathogenic microorganisms, the main symptoms include urinary urgency, frequent urination, painful urination, discomfort in the suprapubic area and pain in the lower abdomen, which may be accompanied by hematuria and systemic symptoms, including chills, fever, nausea, vomiting and so on. Urinary stones can occur in any part of the kidney, ureter, bladder and urethra, with a sudden onset, mainly characterized by unbearable severe back pain, abdominal pain and microscopic hematuria. Urine routine examination can have a large number of red blood cells, and even naked eye hematuria. 2. laboratory tests: patients with urinary tract infection, urine routine can be seen in a large number of leukocytes and red blood cells, blood routine in the blood and, c-reactive protein may also be high, while patients with urinary tract stones may only have high red blood cells. Patients once found that there are symptoms of urinary discomfort, either case, should go to the hospital in time, to identify the cause, and actively cooperate with the doctor treatment.