The invention relates to a preparation method of fried beancurd skin rolls. The method comprises the following main process steps: soybean cleaning, soybean soaking, pulping, filtration, pulp boiling,automatically skin picking, pre-cooling, slitting, roll preparation, high-temperature frying, oil draining, sorting and packaging. The basic preparation process is as follows: taking soybeans as a main raw material, cleaning the selected soybeans, feeding the soybeans to a pulping device, adding water, carrying out the pulping, conducting high-temperature pulp boiling to form a thin film, sequentially performing shaping, automatically skin picking and stoving at a certain temperature, and conducting the pre-cooling, the slitting, the cutting, the roll preparation, the high-temperature frying,oil removal, sorting and packaging so as to form a medium-dry beancurd skin product. The beancurd skin rolls are rich in soy proteins and a plurality of vitamins and minerals, and are crisp in mouthfeel and easy to preserve.