Probing into the connotation as well as the application of the legal relationship can broaden the research category of legal relationship theory and provide the necessary specification guidelines for the evolvement of back-feeding agriculture activities. The formal logic method can successively be used to analyze definition, characteristics, composition of the backfeeding agriculture legal relationship, which is the basis of the applicable solutions for backfeeding agriculture legal relationship in aspect of value, system and content. Back-feeding agriculture legal relationship which has the common characteristics of legal relationship and unique ones based on back-feeding agricultural orientation is the combination of administrative relationship, collaborative relationship and autonomous relationship whose main content is rights and obligations. These unique features are emerged from the subjects and the content of backfeeding agriculture legal relationship, while these unique ones behave differently along with the different objects. Community theory and benefit allocation mechanism can be used to analyze its application in terms of legislative spirit. In a similar way, systematization of normative legal documents should be used to analyze its application regard to legislative form, while the design of legislative norms to analyze its application in the field of legislative content.