1. Material: pig's trotters 1 each, 6 chicken feet, 2 tablespoons of cooking wine, a few slices of onion, a few slices of ginger, a proper amount of stewed spices, half a spoonful of salt, half a spoonful of sugar, half a spoonful of oyster sauce and half a spoonful of light soy sauce.

2. Add the washed trotters and chicken feet into the cooking wine, onion and ginger, and take them out after boiling.

3. Put the blanched pig's trotters and chicken feet into a pressure cooker, and add cooking wine salt, onion, ginger, oyster sauce stew and sugar.

4. Just add half of the pig's trotters and chicken's feet and press for 30 minutes.