Dried tofu has the reputation of “plant meat”. It is rich in protein, fat, carbohydrates, calcium, phosphorus, iron and other essential nutrients for the human body. It has the advantages of balanced nutrition and easy digestion and absorption by the human body. Dried tofu is entering the scale After chemical production, the traditional process of making tofu with soybeans as raw materials and then making dried tofu has become increasingly unsuitable for market demand. Based on the Chiba tofu made with soy protein isolate, the production process of soy protein tofu has been applied and favored by major manufacturers. This kind of dried bean curd has simple processing technology, low difficulty in microbial control, safer and healthier. Domestic well-known tofu brands are committed to applying the new tofu processing technology based on soy protein isolate and soy protein concentrate, and tofu made from soy tissue protein has entered the market.