Wash the tofu and cut into small pieces. Wash the lean pork and pork liver slices, marinate with ginger juice and salt for 10 minutes, blanch in boiling water until cooked and remove. Add a little vegetable oil to the pot to sauté the ginger, add an appropriate amount of water and bring to a boil. Add the sauerkraut and tofu cubes and boil for about 5 minutes. Add the pork liver slices and lean pork slices, boil again, add coriander and season with salt.