This book mainly addresses China's current demographic situation and social people-related policies. It aims to solve the issues of demographic transition, population aging, population flow, urbanization, population quality, etc. China is the first large population country, with the vast territory and the huge economic system. It has many issues such as productivity and production relations, superstructure and economic base, and domestic and international relations in various fields and at all levels. Hence, China needs to come up with a set of overall strategies. The author sorts out all of his works in recent years and performs his new academic achievements on demographic issues and social governing strategies. This timely book offers new methods that impact advanced social development with real data.