Laser imaging radar integrates laser and radar technology, serving as an active photoelectric imaging tool. It boasts high detection accuracy, rich image information, and robust anti-interference capabilities, making it promising in scientific and commercial sectors. As its demand increases, diverse advanced laser imaging radar systems have emerged. This paper outlines the operating principle of this advanced imaging technology, classifies the radar systems, discusses key performances across different classifications globally, compares the advantages and disadvantages of various systems, and concludes with future trends in the technology. This offers insights into the evolution of advanced laser imaging radar technology.