The application of modified starch in the food industry can make processed food maintain high viscosity stability under high temperature, high shear force and low pH conditions, maintain its thickening ability, and can also make processed food at room temperature or low temperature preservation process In order to avoid water separation, the transparency of starch paste is improved by denaturation, so the appearance of food can be improved and its gloss can be improved. Therefore, modified starch can be added in the production of instant food, meat products, seasonings, yogurt, soup, candy, jelly, frozen food, bean paste, crispy snacks, snack foods, etc. to improve product quality.