Less frequent urination means less urination. Low urination and large stomach may be caused by urinary system inflammation, stones, prostate enlargement, liver disease and other conditions. 1. Inflammation of the urinary system: such as acute cystitis, urethritis, prostatitis, etc., will be due to inflammation of the abdominal distension, accompanied by a decrease in the volume of urine, increased urination, urethral pain, etc., which is due to the infection of the mucous membranes after the congestion, edema and other causes. 2. Stones: bladder stones or lower ureteral stones, may appear small abdominal distension, accompanied by decreased urine output, urination may also appear interrupted phenomenon, accompanied by increased urination or accompanied by naked eye hematuria. 3. Prostatic hyperplasia: abdominal distension or perineal distension caused by discomfort, accompanied by urinary effort, each time the amount of urine is not much, but accompanied by increased urinary frequency. 4. Liver diseases: such as cirrhosis. Portal hypertension of cirrhosis leads to a large amount of ascites, which is manifested as a large stomach, which in turn causes a lack of effective circulating blood volume leading to less urine, or it may be due to the development of cirrhosis to an advanced stage, causing renal failure leading to less urine. There are other factors that can lead to low urine and large stomach. If the symptoms persist or worsen, it is recommended to go to the hospital in time to find out the causes and treat them under the guidance of the doctor.