1. An image recognition system, comprising: a robot, having an image collection module, configured to drive the image collection module to collect an image in a view of the robot by an image collection drive module; a light source configured to fill the light when the image collection module collecting an image; a face detection module configured to locate a face image in the image collected by the image collection module; a face recognition module configured to implement a preprocessing for the located face image, then the preprocessed face image being compared with an image feature information of a known identity contained in a database, to determine an identity information and a confidence rate of the present face image.