In this paper, ”Jia-He-Li-Min-Tian-Jia-Bie” in Wu-Jian as the center to discuss the tenant farming system of Sun-Wu. The research focus is to explore and understand the purpose, the means and the significance of government to mobilize the people tenant farming. The study concluded that the tenant farming system of Sun-Wu features, including the servitude nature of the government to mobilize the people fanning, mandatory imposition of high tax rates, as well as government and tenant farming people have a contractual relationship.