The invention provides a man-machine cooperative robot system. The man-machine cooperative robot system comprises a staring tracking assembly, a target recognizing and positioning assembly, an intention predicting assembly and an expected movement planning assembly. The staring tracking assembly tracks and captures a staring focus of a robot user through an eye tracker; the target recognizing and positioning assembly analyzes staring data to determine a region where the robot user stares, and detects and recognizes a target in the region; the intention predicting assembly carries out modeling on correlation between the target concerned by the robot user and the real intention of the user, and determines the intention of the robot user; and the expected movement planning assembly carries out movement planning on a robot by a predicted value provided by the intention predicting assembly. The man-machine cooperative robot system can monitor a staring mode of an operator and predict a task intention in a man-machine cooperative scene, corresponding expected movement is carried out on the basis of the prediction, and therefore, smooth and efficient cooperation between the robot and the robot user is realized.