Stewing soup is a water heating method, the ingredients and water in a casserole dish, covered with a lid, placed in a large pot (the amount of water in the pot is lower than the casserole dish, in order to boil the water does not overflow into the casserole dish is appropriate).

Boiling soup is to put the ingredients and water into the casserole dish directly heated, the practice is simple, but the effect of into Lai is not as good as the water stew method. And in the process of boiling, because the soup evaporates, you must also add water depending on the situation.