The cause of national renewal under the Communist Party of Vietnam's leadership has been over three decades. Among the great and historically significant victories of the doi moi cause, it is impossible not to mention the victories in theoretical thinking and religious policies of the Party and the State of Vietnam. This study focuses on analyzing and explaining the changes in the religious and religious life of Vietnamese people today; the process of renewing awareness to reforming religious policies of the Party and the State of Vietnam; several discussion issues that need further clarification on Vietnam's beliefs and religion policy in the period of international integration; at the same time, propose several solutions to improve the policy of belief and religion; correct orientation of Vietnamese people's belief and religious activities in the process of Vietnam's international integration.