The invention relates to a 
processing technology of quick-frozen sweet potato strips. The 
processing technology comprises the following steps of harvesting sweet potatoes, performing saccharificationtreatment, performing cleaning, performing peeling, performing trimming, performing 
cutting to obtain sweet potato strips, performing soaking, performing cooking, performing baking, performing quick-freezing, performing 
ultraviolet sterilizing, performing 
vacuum packing and performing warehousing. The sweet potato strips made by the 
processing technology are soft in texture, have certain tenacity,are uniform in color, glossy and red, unique in mouth feel, and pure in 
flavor, maintain 
primary color of the sweet potatoes, maintain the fragrance and the 
flavor of the sweet potatoes, and are highin yield. 
Hygiene and safety are guaranteed, the quick-frozen sweet potato strips are free from any good additive, short in processing time, and low in loss of 
nutrient components; the quality guarantee period of the quick-frozen sweet potato strips at normal temperature is 9 months, and the quality guarantee period of the quick-frozen sweet potato strips under the 
refrigeration condition is 14 months. The quick-frozen sweet potato strips conform to the 
quality standard that the 
total bacterial count is smaller than or equal to 1000CFU / g, mould is smaller than or equal to 50CFU / g, the 
escherichia coli is smaller than or equal to 30MPN / 100g, 
pathogenic bacteria are not detected, and the 
nutrient and the 
flavor of the sweet potatoes can be improved, so that the requirements of consumers canbe met.