Ingredients that need to be prepared in advance include: 950 grams of pig trotters, 210 grams of lotus root, a little salt, a little vinegar, a little chicken essence, a little green onion, a little ginger, a little star anise, a little cinnamon, a little cooking wine, carrots a little.

1. In the first step, cut the prepared pig's feet into large pieces with a kitchen knife and wash them with clean water, as shown in the picture below.

2. Then peel the prepared lotus root, wash it, and cut into thick slices with a knife, as shown in the picture below.

3. Then put the pig's feet into a pot of boiling water and blanch them, as shown in the picture below.

4. Put water in the pressure cooker and blanch the pig’s feet, as shown in the picture below.

5. Then add ginger, star anise, cinnamon, and vinegar into the pot, bring to a boil over high heat, and simmer for 20 minutes, as shown in the picture below.

6. When the time is up, pour the pig's feet and soup into the casserole and simmer on low heat for 30 minutes, as shown in the picture below.

7. Put the prepared lotus roots and carrots into the casserole, as shown in the picture below.

8. Use medium heat.

9. Add appropriate amount of salt and cooking wine into the casserole and cook for 3 minutes, as shown in the picture below.

10. Finally, add the prepared chopped green onion and chicken essence, stir evenly, and the pig trotters stewed with lotus root is completed, as shown in the picture below.