Method for preparing tofu by using lactobacillus plantarum fermentation liquor to curdle

The invention relates to a method for preparing tofu by using lactobacillus plantarum fermentation liquor to curdle. The method comprises the following steps: after soaking soybeans by water, defibrinating; burning slurry; filtering; using lactobacillus plantarum fermentation liquor to curdle; wrapping with cloth; briquetting; the step of using lactobacillus plantarum fermentation liquor to curdle comprises the following steps: pouring the lactobacillus plantarum fermentation liquor into hot soybean milk at the height of 1-1.2 m from the liquid level of the filtered hot soybean milk, and leaving to stand for 3 minutes; putting the lactobacillus plantarum fermentation liquor into a small basin, soaking the small basin in hot soybean milk, rotating for 10-15 times, leaving to stand for 3 minutes and repeating for three times; finally, leaving to stand for 10-15 minutes to obtain the tofu. The tofu prepared by the method provided by the invention has the characteristics of being free of additives, good in water binding capacity, great in elasticity, good in flavor, healthy and the like.