Urinalysis occult blood appears weakly positive, then treatment: 1, improve the urinary system ultrasound, to understand the urinary system with or without the presence of malformations, stones, tumors, etc. 2, it is recommended that every other day to re-examine the urine routine. It is recommended to keep the morning urine specimen, and then do the routine urine examination, if necessary, can do urine sediment examination, to understand the number of red blood cells in the urine in the end how much.3, if the urine test continues to be positive, the urinary system ultrasound no positive findings, can be further urinary CT examination, to exclude some ultrasound did not find the potential causative factors.4, such as the CT still did not find a positive result, it is recommended that the regular clinical follow-up can be. 5, If urinalysis occult blood weak positive, urinary system ultrasound, CT are not abnormal. If the patient has proteinuria, then it is recommended to carry out puncture biopsy examination when necessary to understand whether there is hidden glomerulonephritis and other diseases.