1.？ First prepare a large piece of ginger and mash it into ginger paste. 2.？ The crabs have been washed in advance, and they are directly put on the plate. 3.？ Pour a proper amount of water into the pot and bring it to a boil. 4.？ After the water boils, put the crab dish into the pot cover and steam it over high fire. 5.？ After steaming for about eight minutes, turn off the heat. Don't open the lid and simmer for a few minutes before taking it out. 6.？ Put the crushed ginger in a small bowl and add a little salt. 7.？ Heat the pan and pour in half a pan of olive oil. 8.？ After boiling, pour the oil into a bowl filled with ginger sauce and stir well. The crab can eat with this ginger sauce.