Aiming at the current status of potato processing in China and domestic and international state of development to the potato, the synthesizing processing technologies of the frozen French Fries and its residue were researched in this paper. China is the biggest potato planter with the greatest yields and weak processing ability. The main potato processed products in China are starch and its products, potato snacks and some small quantity of dehydrated mashed potatoes, the total amount of processing takes ab...