Online video advertisement editing method and device

The embodiment of the invention provides an online video advertisement editing method and device, and the method comprises the steps: enabling a front-end editor to render an advertisement material ona canvas, and enabling a user to conveniently edit an animation; converting the edited animation into a character string with a set data exchange format, and transmitting the character string to a rear-end editor; the rear-end editor runs the character string with the set data exchange format through an open source tool, renders the character string with the set data exchange format again, carries out screenshot at a certain time interval in the rerendering process, and stores the screenshot in a disk; and combining the screenshots in the disk in a pipeline form to generate a video advertisement. According to the technical scheme, a large number of special effects and creative animations can be flexibly and simply added in the process of editing the picture and converting the picture intothe video, and the video