Based on apple household survey data of 4 provinces, this paper utilizes logit model make an empirical analysis about influencing of social network on adoption of environmental-friendly technology. According to the empirical results, social network, feedback of testing, and cooperation can affect the adoption of environmental-friendly technology positively; social network has significant influence on farmers' adoption of technology and mainly affects indirectly on farmers' adoption of formula fertilization by soil testing. To pay more attention to social network on village and household level is the key point to solve the problem about low adoption of environmental-friendly technology.