This report combs the main practices of Hengda Group helping Dafang County as a Whole to exit from the list of Poverty County. On this basis，the cooperation mechanism between Hengda Group and the County government and the benefiting mechanism for the poor households are discussed. Then we evaluate the poverty alleviation effect of this case example. Result show that in the case of Hengda Group helping Dafang County as a Whole，the cooperation between the government and the enterprise in poverty alleviation has been truly realized，and the poverty alleviation efficiency in this case is far better than that in the prevailing government-dominant patterns. This pattern is beneficial to the poor households，the cooperating enterprises，the Dafang County and also the Hengda Group itself. In the case，scientific mechanism design and long-term institutional arrangement have been made in the cooperation between the government and the enterprise so as to achievestable poverty reduction and sustainable development. It is concluded that the pattern of Hengda Group helping Dafang County as a Whole can be replicated and popularized.