Processing technology of dried sweet potatoes

The invention discloses a dried sweet potato processing technology which comprises the following steps: step 1, peeling sweet potatoes, cleaning the sweet potatoes with clear water, cleaning the surfaces of the sweet potatoes, peeling the cleaned sweet potatoes, and removing peel fibers, diseased spots, black spots and bitter shreds; step 2, cutting into strips and slices: cutting the peeled sweet potatoes into slices; step 3, sorting bad materials: sorting out the damaged parts of the sweet potato slices and discarding the damaged parts of the sweet potato slices; 4, surface sterilization: cleaning and disinfecting the surfaces of the sweet potato slices; 5, sweetening agent brushing: brushing the sweetening agent on the surfaces of all the sweet potato slices; step 6, drying and saccharifying: drying the sweet potato slices of which the surfaces are coated with the sweetening agent to reduce the moisture in the sweet potato slices so as to improve the sugar content, and meanwhile, enabling the sweetening ag