1, clean the pig bones with clean water, then take them out and drain them for later use.
2, from the pot to the right amount of water, ginger to boil, put the pig bones in the water, and then fish out for use.
3. Pour enough water into another pot, then add the blanched pork bones, and then add a proper amount of ginger slices.
4. Remove the residual blood foam after the fire is boiled, and then continue to cook on the fire for 10 minutes.
5, 10 minutes later, turn to low heat and simmer for 3 hours, and the broth will be ready in 3 hours.