If the patient goes to the hospital for a routine examination of urine and finds that the urine examination shows a plus sign of occult blood, there is generally no need for special treatment. It is recommended that the patient usually must drink more water, more urination, daily water consumption is recommended to be more than 2000ml, can produce a large amount of urine so that can flush the urinary system. After three days for review if the urine occult blood has returned to normal, then do not need to be too nervous to continue to drink more water. If the urine occult blood continues to maintain a plus sign or even more occult blood, it is recommended to do ultrasound examination of the urinary system, CT, MRI, cystoscopy and other tests to clarify the specific condition, and then decide whether further treatment is needed. For example, it may be due to small kidney stones, no clinical symptoms regular review can be. The more serious ones may be caused by malignant tumors of the urinary system, which require timely surgical treatment.