Tran Nhan Tong king, the great man in the Vietnamese history, is a convergence of a politician, thinker, and poet. He was also the creator of Truc Lam Zen School (Vietnam). By viewpoint in ecological criticism, studying the Tran Nhan Tong's heritage about the poetry and fu is the wonderful combinational between ecophilosophy and ecoculture. In this paper, we focus to study the ecological values in poetry and fu of Nhan Tong king. The ideology and religion of Tran Nhan Tong were Hòa quang đồng trần (Blend the light with the dust) and Cư trần lạc đạo (Living in the world, joyful in the Way). His ecoculture was natural ecology and spiritual ecology within the harmony between humans and nature. With the determination values of national identity in ecological literature, teaching and studying Tran Nhan Tong's poetry and fu in high school have important missions. | Improving cultural behaving capacity of students with ecological environment through teaching Tran Nhan Tong s poetry and FU
