The specific method is to remove the water from the cooked corn, put it into a fresh-keeping bag and put it in the freezer of the refrigerator for freezing. If you want to eat, just take it out and heat it in the microwave. This fresh-keeping method can last about a week.

Compared with traditional food crops such as rice and wheat, corn has strong drought tolerance, cold tolerance, barren tolerance and excellent environmental adaptability. Corn has high nutritional value and is an excellent food crop. As a high-yield grain crop in China, corn is an important feed source for animal husbandry, aquaculture and aquaculture, and it is also one of the indispensable raw materials for food, medical care, light industry, chemical industry and other industries. Because corn resources are extremely rich, cheap and easy to obtain, it also has many biological activities such as antioxidation, antitumor, hypoglycemic, immunity improvement, bacteriostasis and sterilization. It has broad development and application prospects.