Sweet potato starch dried potato processing can be fresh potato processing dried potato processing. The advantages of starch processing in fresh potatoes lie in their freshness, high starch content, high flour yield. The disadvantage is that they are easy to transport store, must be processed in a timely manner. Generally, processing is required to be completed within 2-3 months of harvest.

Dried potatoes are used as raw materials, there is no need to worry about storage issues. Production is limited by seasons, current starch processing technology is also relatively advanced, which can better utilize machinery to complete sweet potato starch processing. The comprehensive processing utilization of sweet potatoes in China can be roughly divided into three categories: firstly, industrial processing, which produces various light chemical products; The second is food processing, which uses fresh potatoes potato flour to make various side foods; The third is feed processing, which utilizes the stems leaves, tubers, dried potatoes, industrial by-products of sweet potatoes to process them into livestock poultry feed.

At present, sweet potatoes have become an important industrial raw material in China, there are over 10 categories thousands of products that can be directly indirectly produced using sweet potatoes as raw materials. Products made sweet potatoes are widely used in various industries of the national economy. People's dietary concepts are gradually shifting a basic diet to a nutritious healthy diet, a single function of food to a diverse function.

For example, adding various colors of fresh Vegetable juice juice into ordinary sweet potato starch can make colorful nutritional vermicelli, colorful nutritional powder, etc; Health care traditional Chinese medicines such as chrysanthemum, Reynoutria multiflora, medlar, panax notoginseng, kudzu root, gastrodia elata, eucommia ulmoides, yam, etc. are added to ordinary sweet potato starch to make health care powder with different functions.