Abstract: The human intellignce is usually nesessary in the non-structure environment where the intelligence robotsare working.In this paper,some details in question of the man-machine interaction in the robot system isstudied.Three rules entering human intelligence in the system,i.e.hierarchical input rule,real-time ruleand man-machine coordinate rule are persented.Structure of the man-machine interface and its implementation are discussed,one pattern of the man-machine interface commands is given and an example of man-machine share operation is demonstrated.