Low urine volume and frequent urination must find the cause of this disease, the most common may be urinary tract infection, urinary tract tuberculosis or overactive bladder disease, not drinking water, and also pay attention to whether there is renal failure, for the appearance of these symptoms must be laboratory urine routine, kidney function tests to make a preliminary judgment. If there are red cells and white cells in the urine routine may be a urinary tract infection, drinking more water and taking anti-inflammatory drugs can relieve. If the urine routine is normal, it may be overactive bladder syndrome, to take Weixicam, which can inhibit bladder contraction. If there are white cells and acidic urine in the urine routine, it is definitely urinary tract tuberculosis and should be treated with anti-tuberculosis. If it is caused by drinking little water, it must be improved by increasing the amount of water drunk.