Method and device for allocating air interface resources

Embodiments of the present invention provide a method and device for allocating air interface resources. The embodiments of the present invention are capable of solving the problem in the prior art that a method for allocating air interface resources can provide transport guarantee only for downlink service data at an air interface. By means of the technical solutions provided in the present invention, the end-to-end transport guarantee between a service server and a UE can be provided for the downlink service data, thereby improving the quality of service of end-to-end transmission.