The symptom of urinary waiting is delayed urination. Common causes are benign prostatic hyperplasia, urinary stones, urinary tract tumors and so on. 1. Benign prostatic hyperplasia: Pathological hyperplasia of the prostate gland, compression of the urethra can cause delayed urination, slow urinary waiting symptoms, and continued development can be manifested as urinary difficulties. Rectal palpation and ultrasonography can be used to assist in the diagnosis. 2. Urinary stones: most common in lower urinary tract stones, such as bladder stones, urethral stones, can be partially blocked due to stones in the urethra and cause symptoms of waiting for urination, but also can be accompanied by urinary pain, hematuria and other symptoms, ultrasonography, X-ray examination to assist in the diagnosis. 3. Urological tumors: such as bladder tumors, can also cause waiting for urination, accompanied by intermittent painless hematuria, which can be diagnosed by urine examination, intravenous pyelography, cystoscopy, and so on. When the symptoms of waiting for urine need to go to the hospital in time to identify the cause, and active treatment.