2. Scrape the pig's hand, chop it, put it in a pot and add water to boil it, add ginger slices, star anise and cooking wine to boil the bleeding water, then take it out and wash it with ice water;
3. Add enough water to the pot, pour the blanched pig's hand, and then add peeled and diced Sydney, soybeans and a few slices of ginger.
4. Add cooking wine, open the lid and continue to cook for 15 minutes, then cover the lid and simmer for 1.5 hours.
5, after the soup is cooked, add salt to taste according to personal taste before drinking.