1. Burn trotters and soak them in warm water for a while.

2. Scrape the dirt and clean it. Cut the onion into pieces. Cut the ginger into pieces and beat it.

3. Put the trotters in a boiling water pot, blanch them, remove them and cool them with cold water.

4. Then put it in a pot, add water (preferably no meat), soy sauce, salt, aniseed, cinnamon, pepper, onion, ginger, stew on low fire, turn to high fire to collect juice, and put fish and pig's trotters in a plate.