The manifestations such as low urine output and pain usually belong to the lower urinary tract irritation symptoms, which may be related to urinary tract infections, prostatitis, urinary stones and other conditions. 1. Urinary system infection: if infected with bacteria, mycoplasma, chlamydia, mycobacteria, viruses and other microorganisms, urethritis, cystitis and other inflammatory diseases may occur, resulting in unstable contraction of the forced urethral muscle, and the above germs may invade the mucosa, causing damage to the mucosa, so that dysuria and pain may occur; 2. Prostatitis: if there are uncomfortable symptoms such as dysuria and pain, it may be the manifestation of prostatitis. At this time, the swollen prostate gland presses the peritoneum of the prostate, and at the same time stimulates the bladder triangle, which may lead to the patient’s symptoms of irritation of the lower urinary tract; 3. urinary stones: such as lower ureteral stones, stones into the bladder wall segment, will stimulate the end of the ureter and the bladder triangle, and thus the patient will also appear similar to the symptoms of infection of urinary frequency, urinary, pain, but is not accompanied by inflammatory manifestations, such as fever; 4. Other diseases: if the patient’s bladder is perfused with chemotherapy drugs, it may lead to chemical cystitis, with dysuria and pain. Tuberculosis, tumors and other conditions may invade and block the urethra, which may also lead to the manifestation of dysuria and pain. Usually, there may be other reasons for the manifestation of dysuria and pain, and it is recommended to actively seek medical advice and treatment under the guidance of a medical professional.