PURPOSE: A producing method of bean curd using micro micronized solution of bean curd liquid is provided to grind and filter non-standardized bean curd with soymilk to obtain the micronized solution of the bean curd liquid.CONSTITUTION: A producing method of bean curd using micro micronized solution of bean curd liquid comprises the following steps: removing the moisture from non-standardized bean curd mixing the non-standardized bean curd with soymilk in a ratio of 1:1-3 grinding and filtering the mixture to obtain the micronized solution of the bean curd liquid and mixing the micronized solution, the soymilk, and a coagulating agent, and coagulating the mixture. The bean curd selectively contains soybean curd dreg liquid.COPYRIGHT KIPO 2012본 발명은 두부 제조 후 선별 과정에서 제외되는 비규격품 두부 또는 두부 제조공정 중 발생하는 콩비지를 재이용한 두부 제조 방법에 관한 것이다.