Disclosed in an embodiment of the invention are a method and device for processing a video frame, and a computer-readable storage medium. The method comprises: determining, according to a Y component of a high dynamic range (HDR) video frame, a self-adaptive curve corresponding to the HDR video frame; adjusting, according to the self-adaptive curve, the Y component of the HDR video frame, and outputting a processed Y component; and after performing, according to a preset mapping relationship, conversion on a C component of the HDR video frame, performing, according to a preset color range, color saturation enhancement on the converted C component to obtain a processed C component.