1, the production process is different, will be soaked in corn with 0.3% sulfite, through the crushing, sieving, precipitation, drying, grinding and other processes and the completion of a powdered substance is corn starch. Wheat or other cereals will be peeled, ground into a powdered substance is flour.

2, different uses, corn starch is widely used, corn starch as raw material, can be added to the food, medicine and sugar industry. With the development of science and technology, corn starch is also used in the foundry industry, metallurgical industry and petrochemical industry, for example, some dry batteries, paints, plastics, dyes, cement, paper all contain corn starch.