The article takes the Liangshan Yi Autonoumous Prefeture in solving the "islanding effect" in the poor areas and exploring the poverty alleviation characterized by purchase rather than donation during the process of targeted poverty alleviation for example. Based on the strategy of anti-poverty governance of social capital orientation, the paper analyzes the theoretical connotation, evolution path model innovation and puts forward the following problems: the lag of logistics input, the lack of standard quality and testing, the impact and restrict to the quality and prices of agricultural products, the worry about food safety, the disadvantage of products' prices and many practical problems such as administrative apportionment in a long-term administering. So in order to improve the targeted poverty alleviation model characterized by purchase rather than donation, the paper gives the following three suggestions: mobilizing the enthusiasm of poor rural households in production to ensure that farmers "love to plant（raise）", taking a reasonable consideration of the interests of the assisting units to let them "love to eat", at last, and the policy measures should be taken feasibly and easily to make the administrative authorities "love to help".