Prepare scallops and half a cup of rice, soak them for 2 hours, put 1 liter chicken soup, 2 liters of water, 50g scallops and 3 slices of ginger into the pot, skim the floating foam, cook the lobster for 2 minutes, take them out and wash them with water. Separate the shells and meat, put them in the pot for later use, put the shrimp shells in a cloth bag and cook them in the pot for 45 minutes. Take out the cloth bag and ginger, and put the rice into the pot. Prepare shredded ginger and onion, put lobster and shrimp in the pot, sprinkle with chopped green onion and cook for a while.