A method for processing resource allocation information, the method comprising: allocating, by an Access Point, AP, resources for data transmission between the AP and one or more Stations, STA, in an STA group according to a resource granularity, wherein the resource granularity comprises a preset time length and/or a preset bandwidth; and sending, by the AP, resource allocation information for allocating the resources to the STA group; characterized in that, after sending, by the AP, the resource allocation information for allocating the resources to the STA group, the method further comprises: detecting, by the AP, whether channels at beginnings of the resources, determined according to the resource allocation information, of the one or more STAs are idle or not; and when the channels are determined to be idle, triggering, by the AP, the data transmission between the AP and the one or more STAs; wherein before triggering, by the AP, the data transmission between the AP and the one or more STAs, the method comprises: performing, by the AP, a channel contention; wherein after triggering, by the AP, the data transmission between the AP and the one or more STAs, the method comprises at least one of the following: when the AP triggers the data transmission between the AP and the one or more STAs in a manner of sending triggering information, receiving, by the AP, uplink data from the one or more STAs; when the AP triggers the data transmission between the AP and the one or more STAs in a manner of sending triggering information and NAVs locally stored by the one or more STAs are zero, receiving, by the AP, uplink data from the one or more STAs. allocating, by an Access Point, AP, resources for data transmission between the AP and one or more Stations, STA, in an STA group according to a resource granularity, wherein the resource granularity comprises a preset time length and/or a preset bandwidth; and sending, by the AP, resource allocation information for allocating the resources to the STA group; characterized in that, after sending, by the AP, the resource allocation information for allocating the resources to the STA group, the method further comprises: detecting, by the AP, whether channels at beginnings of the resources, determined according to the resource allocation information, of the one or more STAs are idle or not; and when the channels are determined to be idle, triggering, by the AP, the data transmission between the AP and the one or more STAs; wherein before triggering, by the AP, the data transmission between the AP and the one or more STAs, the method comprises: performing, by the AP, a channel contention; wherein after triggering, by the AP, the data transmission between the AP and the one or more STAs, the method comprises at least one of the following: when the AP triggers the data transmission between the AP and the one or more STAs in a manner of sending triggering information, receiving, by the AP, uplink data from the one or more STAs; when the AP triggers the data transmission between the AP and the one or more STAs in a manner of sending triggering information and NAVs locally stored by the one or more STAs are zero, receiving, by the AP, uplink data from the one or more STAs.