Blood in the urine is getting more and more may be related to urinary stones, urinary tract infections or tumors and other reasons. 1. Urinary stones: such as kidney stones, there can be waist pain, renal area percussion pain, when the stone damage to the mucosa of the urinary tract, mucosal blood vessels bleeding and outflow with the urine, there can be microscopic hematuria or hematuria, hematuria can be changed with the aggravation of the condition. 2. Urinary tract infection: when there is urinary tract infection, it can cause cystitis, which is manifested as urinary tract irritation signs, i.e. urinary frequency, urgency, urinary pain, and about 30% of them will have hematuria. 3. Urological tumor: when there is bladder cancer, painless hematuria may appear, which is intermittent in the early stage, but develops into persistent hematuria with the development of the disease. More and more blood in urine may also be caused by other factors, if you find hematuria, you need to go to regular hospital specialist immediately, improve the urine routine, urinary ultrasound and other related examinations, identify the cause of the disease and then treat it, so as to strive for early recovery.