1, raw materials: pig tails, 1 onion and ginger, the right amount of soybeans, 2 tablespoons of cooking wine, 5 tablespoons of salt, the right amount of rock sugar;

2, soaked soybeans (soaked five hours in advance);

3, rubbed once with salt pig tails, rinsed with water;

4, cold water into the pig's tails, ginger, 4 tablespoons of cooking wine, boiled and then boil for five minutes;

5, there are a lot of floating foam out of the pig's tail clean;

6, put into the stew pot, add onion and ginger;

7, pour boiling water is not over the pig's tail, add 1 spoon salt, 3 grains of rock sugar, 1 spoon white vinegar.

8, stewed for about 4 hours, taste the saltiness, and then add the right amount of salt, it can be.