The cost of glucose tolerance ranges from about $100-$300, depending on the hospital and area. You should fast for 8-10 hours before the glucose tolerance test and eat normally for three days before the test. Glucose tolerance test process: 75g of anhydrous glucose, dissolved in 250-300mL of water, drink it within 5-10 minutes, draw blood for glucose test before taking glucose, 30 minutes, 60 minutes, 120 minutes and 180 minutes after taking glucose orally, during which you should not eat or do strenuous exercise. The price of glucose tolerance test usually ranges from 100 RMB to 300 RMB, county hospitals will be cheaper, private hospitals may be higher, it is recommended to consult local hospitals. If there is any abnormality in the glucose tolerance test, it is recommended to be examined and treated under the guidance of a doctor.