1. Half an old hen and 1 small piece of ham.

2. Steps: Wash the fresh chicken and chop into large pieces.

3. Pour cold water into the pot and boil over high heat for about 2 minutes to remove the foam.

4. Take out the chicken pieces and rinse them with hot water that is not hot.

5. Put it in a saucepan and add enough water, preferably hot water.

6. Put onions, ginger, star anise and cooked ham into tea bags.

7. Put the seasoning bag into the stew pot together, bring to a boil over high heat, and beat off the foam again.

8. Turn to low heat, cover the pot and simmer for 3 hours until the chicken is cooked. Finally, add an appropriate amount of salt.