A method for identifying a gesture, applied in a mobile apparatus comprising a plurality of cameras (O1, O2), the method comprising: determining a depth of each pixel in a plurality of images to be processed, wherein the plurality of images to be processed are collected by the plurality of cameras, and the depth is configured to at least partially represent a distance between an actual object point corresponding to each pixel and the mobile apparatus; determining a target region in each of the plurality of images to be processed according to the depth; and determining a gesture of a target user according to image information of target regions, wherein determining the target region in each of the plurality of images to be processed according to the depth comprises: comparing the depth of each pixel with a target depth, wherein the target depth is configured to represent a maximum distance between a hand of the target user and the mobile apparatus; determining a pixel having a depth less than the target depth as a pixel to be processed in each of the plurality of images to be processed; and determining a region composed of pixels to be processed as the target region; characterized in that the method further comprises: determining a plurality of reference distances between the hand of the target user and the mobile apparatus according to history image data collected separately by the plurality of cameras; determining a maximum of the plurality of reference distances; and determining the maximum of the plurality of reference distances as the target depth. determining a depth of each pixel in a plurality of images to be processed, wherein the plurality of images to be processed are collected by the plurality of cameras, and the depth is configured to at least partially represent a distance between an actual object point corresponding to each pixel and the mobile apparatus; determining a target region in each of the plurality of images to be processed according to the depth; and determining a gesture of a target user according to image information of target regions, wherein determining the target region in each of the plurality of images to be processed according to the depth comprises: comparing the depth of each pixel with a target depth, wherein the target depth is configured to represent a maximum distance between a hand of the target user and the mobile apparatus; determining a pixel having a depth less than the target depth as a pixel to be processed in each of the plurality of images to be processed; and determining a region composed of pixels to be processed as the target region; characterized in that the method further comprises: determining a plurality of reference distances between the hand of the target user and the mobile apparatus according to history image data collected separately by the plurality of cameras; determining a maximum of the plurality of reference distances; and determining the maximum of the plurality of reference distances as the target depth. comparing the depth of each pixel with a target depth, wherein the target depth is configured to represent a maximum distance between a hand of the target user and the mobile apparatus; determining a pixel having a depth less than the target depth as a pixel to be processed in each of the plurality of images to be processed; and determining a region composed of pixels to be processed as the target region; characterized in that the method further comprises: determining a plurality of reference distances between the hand of the target user and the mobile apparatus according to history image data collected separately by the plurality of cameras; determining a maximum of the plurality of reference distances; and determining the maximum of the plurality of reference distances as the target depth. determining a plurality of reference distances between the hand of the target user and the mobile apparatus according to history image data collected separately by the plurality of cameras; determining a maximum of the plurality of reference distances; and determining the maximum of the plurality of reference distances as the target depth.