This report mainly uses macro statistical data to make a quantitative analysis of the current situation of Beijing employees in the new situation of population development in Beijing. The results show that：first，although the scale of Beijing employees fluctuates recently，the total quantity is sufficient. The employment structure of employees has been improved. Second，Beijing’s negative population growth，small children，old age，high-quality family miniaturization presents a normal trend. On this basis，combined with the current situation of talent supply in Beijing，this report discusses the risks and challenges brought by the new population situation to Beijing’s talent work from the aspects of talent supply ability，talent attraction，talent creativity and talent ecosystem construction，and discusses the preliminary conception of constructing the capital’s characteristic talent ecosystem and preventing and resolving the risk of talent work.