In order to achieve sustainable development of agriculture and explore the microscopic governance mechanism of modern agricultural ecological environment,this paper,based on the survey data of 500 peasant households from Dali county,Pucheng county,Heyang county and Hancheng county in Weinan city,Shannxi province in 2009,analyzes the determinants of eco-actions participated by households by using the Logistic model.The results show that the peasant households’eco-actions are influenced by various elements,that age of head of a family,family scale,education of head of a family,actual number of labor force in a family,right of land property,extent of agricultural technology popularization,policy of agricultural subsidy,the way of farming and rural community culture have significant positive effects,while financial situation of a family and extent of peasants’ taking other jobs have significant negative effects.