Going to birds nest stadium but want to stay in centre of Beijing where to stay

You can stay in some hotel near the subway line 5 in the center of Beijing such as Regent Hotel Beijing, Xinhai Jinjiang Hotel Land egendale Hotel Beijin. You can choose to stay in these hotel and take the subway line 5 from Dengshikou Station to Huixin West Street Station. Then you can take a taxi to the National Stadium.