With the continuous progress of laser and detection technology,remote laser ranging technology has also been rapidly developed.Today,the remote laser rangefinder has played an irreplaceable role in the military,aerospace,and industrial fields.This paper introduces the current status and research progress of remote laser ranging at home and abroad,describes and analyzes the key technologies and influencing factors involved in remote laser ranging,which also analyzes and compares various types of range finder,summarizes and prospects the future development of remote laser range finder.