Selecting companies of “company+farmer household” organization as respondents,this study used 202 sample data from companies with the application of SEM,it empirically explores five kinds of powers utilized by farmers and their influences on agribusiness’trust in and relationship commitment to farmers.The results reveal that company’s trust in farmers has significant positive influence on company’s relationship commitment to farmers.What’s more,there exists differences among the impacts of different powers used by farmers on company’s trust and relationship commitment.Expert power,referent power and legitimate power have significantly positive impacts on company’s trust in farmers.The negative impacts of reward power and coercive power on company’s trust in farmers are significant.The positive impact of expert power on company’s relationship commitment to farmers is significant.Referent power and legitimate power have significantly positive impacts on company’s relationship commitment to farmers.Coercive power significantly influences company’s relationship commitment to farmers.The impact of reward power on company’s relationship commitment to farmers is not significant,on the contrary,there exists positive impact to some extend.In the cooperation with company,the farmers could use mediated power and non-mediated power to coordinate the relationship with company.Farmers’expert power,referent power and legitimate power could be used to cultivate company’s trust in farmer while farmers’reward power and coercive power should be avoided to use.On the other hand,for promotion of company’s relationship commitment to farmers,farmers’ expert power could be used whereas the application of farmers’ coercive power should be avoided.