In the face of a large number of cadres and party members, there have been signs of decline in political ideology, morality and lifestyle, since 1994 the Communist Party of Vietnam has shown the manifestations of this situation, and It is considered as one of the four threats to the Vietnamese revolution. It can be said that promoting the content of building the Party on morality shows the determination to fight to prevent and reverse the political, ethical, lifestyle, self-evolutions and internal transformation within the Party. This book is written by the former General Secretary of the Central Committee of the Communist Party of Vietnam, contributing to help cadres, party members and people better understand the issue of building and regulating the Party. The book content consists of 3 parts. Part 1: Ho Chi Minh Thought on building and regulating the Party; Part 2: Party building in terms of morality and the application of Ho Chi Minh Thought; Part 3: Tasks and solutions to apply Ho Chi Minh Thought to the present Party building.