The invention discloses an interactive method of a robot and an elevator. The interactive method of the robot and the elevator comprises the steps that an elevator position is obtained by the robot inadvance, the time for the elevator from the floor position at which the elevator located to reach the floor at which the robot is located is measured and calculated, and when the time the robot reaching the elevator is the same as the time the elevator reaching a target floor or within a setting allowable time difference range, the robot calls the elevator; after the elevator arrives, the robot obtains an open state of an elevator door, and after the elevator door is opened, the robot enters the elevator; and after the elevator reaches a floor designated by the robot, the robot obtains the open state of the elevator door, and after the elevator door is opened, the robot runs out of the elevator. According to the interactive method of the robot and the elevator, the time for waiting the elevator is shortened when the robot takes the elevator, and the work efficiency is higher; the opening state and the closing state of the elevator door are obtained, the action of entering the elevatorand the action of leaving the elevator are started at the moment that the elevator door is opened, waiting for the elevator door being opened completely is not needed before the action of entering the elevator and the action of leaving the elevator are started, the time is saved, and the work efficiency of the robot is improved.