A method for embedding an advertisement in a video and a computer device, which is configured to: determine a target image, where the target image is an image that is in M frames of images of a target video and that includes a first print advertisement, and M is a positive integer; determine a target area, where the target area is an area in which the first print advertisement is located in the target image; insert a to-be-embedded second print advertisement into the target area to replace the first print advertisement; and convert a style of the target image in which the second print advertisement is embedded, where a style of the second print advertisement in the target image after style conversion is consistent with a style of an image pixel outside the area in which the second print advertisement is located in the target image.