1. Soak kelp for several hours in advance and wash pig's trotters.

2. Boil water in the pot, add 2 slices of ginger, boil, add pig's trotters and blanch for bleeding.

Put the pig's trotters in the pot.

3. Add ginger, pepper and kelp, add enough water and bring to a boil.

Simmer for 3 hours.

4. Add seasonings such as salt.

For your reference.