Blanch the beef breast with onion and ginger, put the beef brisket, radish and potatoes together in the pot, add the ginger, garlic and star anise leaves, and add a proper amount of soy sauce and salt. Add water that is less than half of the ingredients, put some rock sugar on the lid and boil, then turn to low heat and simmer for an hour. Boil the oil and salt in the pot, pour in the green vegetables and blanch them until they are raw.