Fructose syrup is currently a commonly used sweetener, mainly composed of fructose and glucose, is a starch saccharin formed by the hydrolysis and isomerization of plant starch. Fructose syrup production investment is low, according to national standards can be divided into three categories, often used in food and other industries. According to the different fructose content within the fructose syrup can be divided into F42 type (containing 42% fructose), F55 type (containing 55% fructose), F90 (containing 90% fructose) type, its sweetness increases with the increase of fructose content, so the F90 type of fructose syrup has the highest sweetness. Fructose syrup can be used in various industries such as food and beverage like sucrose. And its production is not limited by season and region, simple equipment, low investment cost, so it is widely produced and applied. It is recommended to consult a nutritional doctor if you can consume fructose syrup.