Britain is the earliest industrialized country in the world and the birthplace of the modern factory system. From the root, the early British factory production methods, namely workshop system, family system and manual workshop system, are the basis for the emergence of modern factory system. After the mid-18th century, with the advancement of technology and the emergence of hydraulic and steam engines, a new type of production method began to appear in Britain. The industrial world first emerged in the industry with the most serious contradiction between supply and demand, and gradually spread to other industries at the end of the 18th century. Compared with the traditional handicraft industry, the modern factory system gradually showed many new characteristics in the process of its rise, such as: the concentration of capital and labor, the strengthening of the division of labor, the standardization and institutionalization of production management, etc. The emergence of the factory system greatly improved the labor productivity of the UK, and to a certain extent promoted the UK's "world factory". Therefore, this paper proposes a research on the emergence of the factory system based on Arkwright's investment strategy.