The purpose of this experiment was to study the process technology of non-fried vegetable chips, it taked the Brassica chinensis as raw material, and adopted drum drying process, it discussed the stuff ratio and the process parameters of drum drying. The results showed that the most suitable production formula is: Brassica chinensis 1 kg, soybean 62 g, rice 451 g, NH4HCO3 0.5 g, quality improver M 3 g, table salt 10 g, custer sugar 7 g, chicken essence 5 g, ground pepper 2.5 g; and the experiment taked the contents of Vc and moisture as result...