This paper studies the application of computer vision in smart home. Firstly, the concept of intelligent home and its development status are introduced, and then the literature is reviewed and the problems are analyzed, and the problems and challenges of computer vision application in intelligent home are summarized. Then, this paper puts forward the design and implementation methods of intelligent home system based on computer vision technology [6], and introduces the research methods in detail, including data acquisition, data preprocessing, model training and evaluation. In the part of discovery and result, the feasibility and effectiveness of the proposed system are verified by experiments. Finally, the research results are summarized, and the future research direction and application prospect are put forward.