The Essay "Tokyo no 30 nen" (30 years of Tokyo), written by Katai Tayama, is said to his recollections of the Literary World of Meiji-Taisho Era. In this essay, Author Katai wrote not only his own process of growth as novel writer, but also appearances of streets of Tokyo, air of suburbs of Tokyo, and circumstances ofthe people. The purpose ofthis paper is to grasp of changes of Tokyo during Meiji Era through analyse ofthis essay.