In the early days of social governance innovation, low-quality tendencies such as "seeking speed and quantity" and "innovating for innovation" were common. This is a phased law of the development of things. Nowadays, social governance innovation has entered a tackling period and a transition period. The new era requires social governance innovation to develop from extensive to fine in a timely manner, and to achieve a leap from low quality to high quality. Based on this, this topic goes beyond existing research, introduces life cycle theory and institutional change theory, and interprets social governance innovation. The main contents are: one is to build the life cycle curve of social governance innovation; the other is to divide the influencing factors of social governance innovation momentum into two categories based on the institutional change theory; the third is based on the logic of institutional change Typical case analysis; The fourth is to reconstruct the path of social governance innovation in the new era from the aspects of compulsory institutional change and induced institutional change. <<