This is the name of the Northeast. Big bean curd is to put soybean milk in a pot (enamel pot or aluminum pot), light it with salt water, let it stand, and steam it in the pot (about 20 minutes) after it solidifies. In addition, it is pickled (a kind of cooking). In the past (before 1980s, when living conditions were poor), diced red pickles and beans, stir-fried chopped green onion and stir-fried red pickles. The rest is steamed with tofu, and the staple food of big tofu is sorghum rice, millet flour, tortillas and so on. Nowadays, when marinating, the meat is better to eat, and the side dishes are also varied; Dried bean curd is dried bean chips or spiced bean chips. Generally, spiced bean chips are used to roll green onions.