This paper estimates the productive forces of the employed population in Macau and their contribution to economic growth on the basis of the data in recent years. The results demonstrate that the whole productive forces of the employed population in Macau (including technological progress, improvement of effectiveness and scale effect) has achieved substantial increase and are also the major factors driving the whole economic increase in Macau. However, due to the acute labor-intensiveness of hotel industry, gaming industry and low labor productivity effectiveness of the gaming industry, the industries need to take action to improve productivity so as to ensure the effectiveness of industries and long lasting international competiveness.