Olympic economy consists of two aspects：stimulation of aggregate demand in the earlier stage and drive of supply in latter stage. However，Beijing Olympic economy has the unique characters due to its development situation，city specialties and the resource advantage. Beijing Olympic economy is closely related to the economy of Capital Beijing. Its development mode is promoted by the combination of government guide and marketing operation. “Green Olympics，Hi-tech Olympics and Humanistic Olympics” is its slogan. During last five years，the Olympic economy developed soundly and it has become a strong impetus to economy of Capital Beijing. In 2007，Olympic economy is in a state of accelerating and blooming. The prospect of Olympic economy is good in 2008：it will obtain rich direct income；there will be remarkable further marketing benefits；and the tourism income of Olympics will dramatically increase，which also improve other related industries. We dare to say that Beijing economy will be still in a stable development after Olympics.