Glucose tolerance refers to the glucose tolerance test, glucose tolerance test and urine test can be done together, but before drinking sugar water to retain urine testing. Glucose tolerance test and urine test is usually done first urine analysis of the examination, because urine analysis also need to fasting state retained mid-range urine for laboratory analysis, you can put the glucose tolerance test test later, the patient retained after the urine, in the fasting state to draw blood. It is also possible to have the urine taken after the fasting blood is drawn, but the time for drinking sugar water will be delayed. When doing the test, it is best to ask the doctor about the cooperation and operation of the test, so as to prevent errors in the test results to a large extent.