Abstract: Firstly, this paper analyzed the denotation of airlines'competiveness and its relevant factors, designed its evaluation index system according to the network airlines'operation characteristics, and then, choosing an appropriate evaluation method, made an empirical study based on data from major Asian airlines. Results of the study reveal that the overall competitiveness of China's airlines is weak. China's airlines need to enhance their competitiveness by focusing on the aspects of the operational scale, management, network, service and revenue. The evaluation index system proposed by this paper is scientific and reasonable, which can evaluate the competitiveness of network airlines properly. Airlines may foster their competitiveness exactly according to the evaluation results.