The book clarifies the process of construction, organizational characteristics, activities and the role of the leadership of the Party in the South in the resistance against French colonialists in each area. In addition, the book focuses on the process of establishing and changing the organizational structure, apparatus, key personnel; Leadership activities of the Southern Party Committee, Central Committee of the Southern Region in the following aspects: launch and direct the resistance movement, lead the construction of armed forces, United National Front, government, economic organization and culture of resistance, direct the task of building the Party and lead the task of helping the resistance movement of the Cambodian people. At the same time, generalizing the direction of the Party Central Committee to the Southern Party Committee, the Central Committee of the South in organizational construction and practical direction.