Men to check the bladder, is required to go to the regular hospital urology department for consultation. In the clinical bladder diseases mainly include cystitis, bladder stones and bladder tumors three categories. The clinical manifestations of cystitis are frequent urination, urinary urgency, painful urination and even hematuria. The clinical manifestations of bladder stones are mainly distending pain or stabbing pain in the abdomen, as well as hematuria. The clinical manifestation of tumor of bladder is mainly painless hematuria, so hematuria is the main symptom of bladder disease. When the patient has hematuria, the first thing to do is to go to the urology department for consultation, and need to carry out urine routine, urinary ultrasound and abdominal CT test to help diagnosis.