Holding urine is a very bad habit. Holding urine makes urine stay in the bladder too much, which can cause overfilling of the bladder, thus causing the occurrence of symptoms such as lower abdominal bulge and lower abdominal distension. The long time of holding urine makes the pressure in the bladder too high, easy to form the bladder, ureteral reflux, that is, the urine in the bladder reflux to the ureter, renal pelvis, which is easy to cause the occurrence of urinary tract infection, in addition, a long time of holding urine is also easy to cause male prostatitis. So holding urine can cause many bad diseases, it is best to avoid holding this habit in life, usually drink more water and urinate more often, which not only reduces the occurrence of urinary tract infections, but also avoids bladder and ureteral reflux and other situations.