how to get from Olympic park subway station to Fairmont Beijing

Well, you can take subway line 8 to Gulou Avenue Station first. Then take subway line 2 to Jianguomen Station and transfer to line 1 to Yonganli Station, Exit C.
After arriving, walk south around 560 yards to find the hotel.
The whole way takes around half an hour. And it costs CNY 5 per person.