In 1874, Japan modernized its Keisatsu system, establishing a centralized national police modeled after European forces during the Meiji Restoration. This reform aimed to enhance public safety and order, reflecting Japan's broader efforts to modernize and adopt Western practices. The new police system played a crucial role in maintaining social stability and supporting Japan's rapid industrialization.

The modernization of the Japanese keisatsu system during the Meiji Era affected haiku and modern Japanese poetry, capturing the societal shifts from feudalism to state control. Poets like Masaoka Shiki reflected these changes, exploring urbanization and the transformation of cultural identity.