The invention provides a robot interaction method and device. The method comprises the following steps of installing a camera on the robot to take facial pictures of users within a specified range of a robot; judging whether or not the users have intentions to interact with the robot according to the facial pictures of the users; if yes, controlling the robot to take the initiative to interact with the users. According to the method, the intelligence degree of the robot in the aspect of interacting with humans can be improved, and the interaction efficiency is improved.