Abstract: In recent years, Moutain valley economy is becoming the new mode of beijing rural economy development, which results in economy development and enviroment protection. The Moutain Regions takes ecotourism as the leading industy, depending on the resource of natural sights, human relics, folk culture and ecological agriculture. As a new form of urban agriculture, Moutain valley economy has a wide future prospect. Analyzed on the definition and current situation of Beijing valley economy, the paper discusses the market demand, including demand types, demand motivation and market potential. Finally, some proposals are suggested to develop mountain ecotourism in Beijing moutain aeras.