A method for searching an AD insertion position includes following steps: S1. identifying a human body area in a video image; S2. identifying a blank wall area in the video image; and S3. determining the AD insertion position in the blank wall area in the video image, so that the AD insertion position intersects the human body area. A method for automatically inserting an advertisement AD in a video includes following steps: determining an AD insertion position in the video by searching a product AD insertion position based on deep learning, and inserting the AD on the position. Through the method, an appropriate position for an AD can be automatically searched on a blank wall part in the video. In addition, the inserted AD can be presented in the video in a natural way, and thereby avoiding or reducing the impact of AD insertion on impression of the video.