1. Cut potatoes and ribs into small pieces, lightly scratch the surface of chicken wings, flatten ginger and cut into pieces.

2. Put potatoes, ribs and chicken wings in a bowl in turn, and add ginger, salt, soy sauce, sugar and cooking wine.

3. Put a proper amount of water into the pressure cooker, put the platter, put the bowl on the platter, cover it, put it on it, and steam it with air for 20-25 minutes.

4. After opening the lid, add chopped green onion and mix well to serve.