1, pig's trotters are put into cold water in the pot, boiled for 2 minutes, taken out, washed and drained;
2. Cut the onion into chopped green onion, cut the ginger into sections, cut the garlic into small pieces, and cut the white radish into sections;
3. Take the hot oil out of the pan, add the rock sugar and stir-fry the sugar color, add the trotters and stir-fry the ginger and garlic;
4. Pour into a casserole, add salt, white wine, rice vinegar, soy sauce and water, cover with high fire and boil, and simmer for 40 minutes;
5, add white radish, cover and simmer for 20 minutes, and finally sprinkle with chopped green onion.