This article briefly reviews some unharmonious phenomena of national intelligence activities, analyzes the existing problems in national intelligence activities, and clarifies the ecological succession trend of national intelligence activities. Then, this article puts forward dynamic mechanism and action perspective to promote the ecological succession trend of national intelligence activities: the development of national intelligence activities system is a dynamic and evolving process, and as a whole, it always presents a spiral track trend. To promote the ecological succession of national intelligence activities, you must follow the paths of technology and system, formulating corresponding measures from the perspectives of technological innovation and system innovation.