I want to go to Dulwich College Jinqiao Opp Jinqiao Carrefour from Longyang Road. How to go?

You can take subway line 2 at Longyang Road MTR Station and get off at Century Avenue Station. Then you ca transfer subway line 6 and get off at Yunshan Road MTR Station. After getting out of the MTR station, you can walk along Yunshan Road to Jinqiao Carrefour in several minutes.