The content tells about the story of the two Buddhas including Gotama Buddha and Ariya Metteyya, the future Buddha. Gotama Buddha appreciated a Hang tree. Under the shadow of the tree is the place of his birth and death. Thus, the tree is regarded as the most supreme tree. On one time, Bodhisatta Metteyya asked Gotama Buddha about what suffering will the human beings the world confront? The Buddha said that there will have a big war in the future, a lot of people will be killed in the battle. Because most people are immoral.