The glycemic index of tomato is less than 15. In daily diet, you can refer to the glycemic index (GI) of food to choose food. According to the glycemic ability of food, GI index can be divided into three levels: high GI is greater than 70, medium GI is 55-70, and low GI is less than 55. Tomato is a kind of low-glycemic index food, which has a small impact on blood glucose after eating. The glycemic profile of food is not only related to the GI value, but also to the quantity consumed. A low glycemic index, if consumed in large quantities, can also lead to elevated blood glucose. For more information about the health of food, consult a nutritionist and consume it in a scientific and reasonable manner under the guidance of a doctor.