A video data processing method and an electronic apparatus are provided. The method includes obtaining a first image in a first video and separating a first part from the first image. The first video has a recording duration of a first time length. The method also includes obtaining a second image in a second video. The second video has a recording duration of a second time length. The first and second time lengths are different. Further, the method includes forming a composite image by compositing the first part of the first image and the second image, and forming a target video from a plurality of composite images, the plurality of composite images including the composite image.