Generally speaking, cooking soup at home is like laughing gas, ribs, pig's trotters and other raw materials. Boil the pot in cold water for a while to fully remove the blood foam. Take it out, put it in a casserole and put it in boiling water. Remember this is boiled water. Meat will shrink when it is cold, and nutrition is not easy to stew. If it is enough to add water once, it is really necessary to add water twice and put down the water. Add onion and ginger. Put salt before the pot, put it early, and the nutrition is not easy to overflow. Don't let the parturient go. Stew on low heat, usually it takes one and a half hours for ribs and two hours for chopped pig's trotters. The chicken will be ready in about an hour.