With the widespread application of unmanned equipment on the battlefield, research on unmanned autonomous technology has entered a rapid development stage. The application of unmanned combat systems is becoming increasingly widespread, and various types of military robots are emerging in large numbers. These military robots with higher intelligence, more flexible movements, and faster reactions are moving from behind the scenes to the front stage of war. This article analyzes the basic situation and development process of military robots, lists typical US military robots and their development situation, and proposes the development prospects of military robots. The current application of robotics technology in military warfare is not very widespread, but with the continuous development of science and technology, robots will play an irreplaceable and significant role in the future battlefield.