. Soak beans steamed beans: soybean diffuse soaking 4 to 8 hours, the surface of the bean grain rounded without wrinkles can be; after the water steamed 10-15 minutes or so, put the points cooked or so

2. mixing: take the appropriate amount (0.04% of the weight of the dry beans) qu qu qu quintessence, to be cooked beans cooled to 40 degrees or less, mixing in. (You can first mix flour or bran with the quintessence, dilute the convenience of mixing with the beans when mixing well.)

3. Quartering:The mixed beans are laid flat on a plate and fermented at a temperature of about 24-28° for about 28-30 hours, with a damp cloth hanging nearby to increase the humidity of the surrounding air. However, prevent moisture from dripping onto the beans. Let the song continue to grow, and when the song as a whole is yellowish-green and full of spores, the songmaking is successful.

4. Fermentation: fermentation with brine or other ingredients in the vat; different ratios and methods depending on the product you want to make.

4. Fermentation.