1. Wash the soybeans, soak them in water for more than 5 hours (the time should be controlled according to the temperature, in short, the soybeans should be soaked until soft), then put them in a pot and cook.

2. Take out the cooked soybeans (no need to dry them), put them directly into the container while they are hot (it is best to use an earthen jar container), and then seal the container. It is best to use Cover it with a quilt or the like, keep the temperature above 10 degrees at least, and leave it for 7-10 days. When the beans become sticky and can be pulled off when picked with chopsticks, it means success.

3. Prepare an appropriate amount of seasonings: ginger slices, peppercorns, cinnamon, anise, dried chili peppers, etc. Boil the above seasonings into an appropriate amount of seasoning water, then add salt, and then add vegetables (usually cabbage, winter melon, radish, etc.), stir evenly, seal again, and usually you can eat it in about a week