The method of making pork ribs in clear soup is as follows:

1. Clean the ribs, put cold water into the pot, bring to a boil over high heat, then remove and rinse.

2. Add appropriate amount of oil to the wok, put the ribs in and fry until the surface is golden brown, then remove.

3. Put the fried ribs into the pressure cooker, then add ginger slices and green onions, add an appropriate amount of hot water, cover the lid, and cook for about 30 minutes.

4. Peel the yam and cut into segments.

5. Put the yam into the pressure cooker. After the yam is cooked, add an appropriate amount of salt, take it out, and sprinkle with chopped green onion.