[Machine Translation] The Kusha Ron, a Buddhist treatise written in India around the 5th century, describes the grandeur of the universe centered on Mount Sumeru and explains in detail how Buddhism views the universe. This book is based on the "Kusha Theory" and refers to other Buddhist treatises to provide a simple description of the Buddhist view of the universe. What kind of being is the heavenly god, who is superior to human beings but is a prisoner of desire? He also explains the suffering of hell, such as "being entombed by maggots," the four great and the infinitesimal that make up the world, and the cycle of annihilation and rebirth of the universe. The book also traces the evolution of this unique system, which is based on the idea of reincarnation and liberation, and which regards life as suffering, by also taking up the idea of the Pure Land of Paradise that emerged in later generations. This is an introductory book that has been read for many years.