Preparation materials: pig bone 300g, corn 150g, red dates 2g, ginger slices 5g, garlic cloves 1, onion segments 5g, fragrant leaves 1, cinnamon 1, dried peppers 1.

1. Wash and chop the pig cavity bones into small pieces, blanch them in a pot with cold water, remove and drain.

2. Pour a proper amount of hot water into another pot, and put in the pig's cavity bone.

3. Add 2g red dates, 5g ginger slices, 1 garlic cloves, 5g shallots, 1 fragrant leaves, 1 cinnamon, 1 dried peppers, 150g corn, 2g vinegar and 3g salt.

4. Cover the lid, bring to a boil and simmer for 2 hours.

After 2.2 hours, prepare a clean container without water and take it out to eat.