This book systematically reviews the historical process of building a well-off society in an all-round way in chronological order and in the form of memorabilia. It is helpful for the cadres and the masses to understand the glorious course of the party leading the people to build a well-off society in an all-round way, and to understand the brilliant achievements of my countrys economic and social development in the past few decades. It is of great practical significance to solemnly celebrate the 100th anniversary of the founding of the Communist Party of China.