Soybean protein/maigre snacks food processing line uses soybean dregs and peanut dregs as main materials, through milling, mixing, extruding, cutting and drying to produce layer fiber structure food, which looks and tastes like meat. This kind of soy food is easy to absorbing oil and flavor without cholesterol and animal fat and is widely used in maigre or vegetarian food production suitable for vegetarianism, meat processing industry, fast-food production industry and deep-freezing food production.