1. Rinse spare ribs in water several times.
2. Put ribs in a deep pot. Add in enough water higher than them.
3. Turn on high heat. Bring it to boil and skim the soup.
4. Peel and remove the core of one Pear. Cut into medium chunks. Put into soup with several wolfberries.
5. Turn to low heat. And slow cook for at least 40 mins.
Sprinkle salt and chopped spring onion before serving.