Normal people drink milk tea after the blood sugar will rise, but then will be in the role of insulin will slowly drop to normal. Human blood sugar metabolism is regulated by insulin, and milk tea belongs to the higher sugar content of the food, milk tea through the digestive tract after absorption, in 0.5 hours – 1 hour blood glucose rises to the highest, the magnitude of the increase depends on the amount of milk tea drinking and the specific sugar content. After the blood sugar rises, it will stimulate the pancreatic β-cells to release insulin, and the blood sugar will gradually fall to normal under the action of insulin. To summarize, blood glucose will rise and then fall after drinking milk tea. If blood glucose fails to fall to normal after drinking milk tea, it may indicate that pancreatic islet function is abnormal, and it is recommended to consult a doctor in time.