1. Prepare the ingredients, boil the ribs in a pot under cold water, and wash off the foam. Wash the carrots and corn for later use.
2. Put the ribs, green onions, ginger, pepper, star anise, fennel seeds, and bay leaves into an electric pressure cooker, add cooking wine, light soy sauce, and vinegar, and simmer for 25 minutes.
3. Peel the carrots and cut them with a hob, and cut the corn into sections for later use.
4. Simmer the ribs for 25 minutes. After the pan is automatically decompressed, pour in corn and carrots, add appropriate amount of salt, and continue to simmer for 25 minutes.
5. After the stew is cooked, pick out the shallots, ginger slices, pepper, and star anise.
6. Sprinkle a few grains of wolfberry, shredded green onion or coriander in the pan.
