After the Meiji Restoration, Japan’s national power was significantly enhanced, which not only promoted economic development, but also prompted Japan to embark on the path of militarism, actively expanding its armaments and launching aggressive wars. Against this background, Japan formulated a mainland policy with China and North Korea as its main targets of aggression. Since the mid-1870s, Japan has continued to accelerate its aggression and launched a series of Japanese language education and promotion activities in China. The purpose of these activities is to further strengthen control over China by prompting Chinese people to learn and use Japanese. This article focuses on the textbook “Japanese Conversation Reader” compiled by the Japanese Army’s propaganda class. By sorting out and analyzing relevant historical documents and research materials, this article deeply explores the characteristics and influence of Japanese textbooks in China during the invasion of China, providing reference and reference for an in-depth understanding of the history of this period.