The purpose of video advertisement system is real-time obtainment of advertisement consultation of relative goods showed in video when users watching video. The contents of this research are the solution of system, analysis of difficult points, and solution of the difficult process on image matching with video ads. Firstly, it segments image simply. Then, it filters unmatched image twice by percentage of histogram method. At the last, it matches the image after segmenting precisely by simplified SIFT. We can receive the information whether the goods is the most similar to the image from video ads. Experiments show that this video advertisement system is real-time and possessing high matching rate on certain condition.