The present invention provides a method, device and storage medium of controlling video playing based on a video source selection and belongs to a field of the Internet technology. The method, device and storage medium of controlling video playing based on a video source selection of the present invention may determine a video source format adopted based on the browser, then filter the video source based on actual application effect of a player, adopt the optimal video source, and automatically select other video sources to continue playback in case of playback errors. The method, device and computer-readable storage medium of controlling video playing based on a video source selection of the present invention have the advantages of simple implementation mode, low application cost and wide application range.