First with a little firm fresh tofu, cut into side length, 3 centimeters above and below the small square, and then baked with charcoal, or the sun, to the skin slightly yellow can be. Then, the selection of combed straw, straw evenly spread on the bamboo curtain, will be placed on the tofu block, each block of tofu to leave a certain gap between to prevent sticking, covered with a layer of straw, placed in a cool place at 15 ℃, so that the block of tofu fermentation. After a week or so, these blocks of tofu will grow gray-white cilia. At this point, it can be salted brine. Method is to take the appropriate amount of salt, five-spice powder, shrimp, chili sauce or chili powder and stir together, the fermented tofu blocks into the tossing, so that it is dipped around the body, and finally people don't put the altar, to the altar injected into the appropriate amount of glutinous rice wine, and the altar mouth sealed tightly. About half a month later, you can open the altar to eat.