Industrial robot language is an important part of the robot control system and is a window for users interacted with robot.Aiming at the problems that expanding hard and program editing operation is not efficient for existing industrial robot language editor,a design scheme for industrial robot language editor was proposed based on Qt.This editor provided loading,creating,copying,selecting of robot operating procedures and editing,copying,pasting,deleting of instruction lines.In addition,in order to take into account of the safety of robot operation,parameter range check and logic check of robot instructions were added.These functions were integrated in the teach pendant “program” menu module.It is verified that the proposed robot language editor has good portability and expansibility by the way of testing on real machine.