Abstract: Firstly,this paper analyzed the general development situation of international low cost airlines.Secondly,it pointed out the latent opportunities of developing low cost airlines in our country from six angles: the fast speed of our economic development,the great potential of the airline transportation market,the continual improvement of the infrastructure,the gradual consummation of the policy environment,the advantage in human resource cost,and the development of tourism market.Finally,this paper made a range forecast on development trend and scale of low cost airlines in our country through quantificational method.