Social responsibility for green tourism-green products is an important factor in promoting sustainable tourism development. Therefore, Phu Quoc island district needs solutions to develop tourism in a sustainable way. Green tourism with the green product positive approach ensures sustainable tourism development. The main objective of the study is to examine the green tourism-green tourism relationship and social responsibility for the region’s tourism in Vietnam. Accordingly, the author proposes a number of solutions to improve the sense of responsibility of visitors, contributing to attracting tourists back to Phu Quoc heritage, building appropriate tourism products, as well as developing tourism associated with local communities.