About 5 kilograms of sweet potatoes produce one kilogram of sweet potato flour. In other words, one kilogram of sweet potatoes produces 0.2 kilograms of sweet potato flour.

Sweet potato powder is a Han specialty snack in Guangxi, Shaanxi, Hunan, Fujian, Sichuan, Guizhou and other places. Gray slender strips, crystal clear, similar to fans. Made from sweet potatoes, it is a specialty food in Guangxi, Shaanxi, Hunan, and Sichuan. Sweet potatoes are produced in Guanyang County, Guilin, Guangxi, Zhongyang County, Hanzhongyang County, Shaanxi, Xima Township and Chenzhou, Hongjiang City, Hunan, Anyue, Sichuan, and Nanchong, Sichuan. Flour is the best, and the organic sweet potato planting base in Huaishuguan Town, Hanzhongyang County, Shaanxi Province produces the best. Sweet potatoes are crispy and sweet when eaten raw and can replace fruits; sweet and soft when eaten cooked, they are sweet in the mouth and sweet in the heart. It can be used as both a staple food and a vegetable. There are many ways to eat it, including steaming, boiling, frying, deep-frying, and stewing (Anyue Stewed Rice Noodles). Once cooked with skillful hands, it can also become a delicacy on the table.