1. Put the pork lean meat room in boiling water, blanch for about 5 minutes, while adding ginger slices to remove the fishy and tawdry flavor, then wash the pork, and hold up for spare.

2. carrots washed, peeled, hobnail cut into pieces, corn cut into small pieces, apple core cut into small pieces.

3. Put a large portion of cold water in the pot, put the carrots, apples, corn and pork together in the pot, add two or three slices of ginger, boil over high heat, and then turn to low heat, simmer for about 1 hour, add the right amount of salt to taste.