The civil air service has experienced heavy losses in financial crisis. The global civil air service has to face both the challenge of consistently losses and serious situation of reducing CO₂ emission，which urge the change of its market structure to fight against the crisis. Therefore，the market of civil air service in China will gradually restructure and integrate through competition. Moreover，the construction of civilian airport increasingly goes forward，and the cooperation of stems and branches has become the trend. With the strategy of large aircraft carried out step by step，China’s air transportation networks steadily formed.