1. Break the eggs into a clean basin, peel and wash the preserved eggs.

2. Cut the preserved eggs into small pieces and put them into an egg basin. Add an appropriate amount of salt, cooking wine, light soy sauce, and MSG, and stir evenly with a manual egg beater.

3. Cut off the upper part of the large Coke bottle and use it as a tool for enema. Connect the cut Coke bottle to the mouth of the casing, and use a large rice spoon to fill it with the preserved egg liquid in 2. into the casing.

4. Tie the seals tightly with strings and tie them in sections in the middle to make it easier to cook in the pot.

5. Pour water into the pot, bring to a boil, turn to medium to low heat, wait for 10-15 minutes. Once cool, slice into plates and serve.