Abstract: Shaanxi province is a big kiwi fruit production province.However，there are some problems in process of kiwi fruit production and marketing，such as consumer trust crisis，information asymmetry，higher logistics costs and so on.Blockchain has characteristics of information traceability，non tampering and public sharing.Building a kiwi fruit production and marketing system in Shaanxi province based on blockchain technology can promote further integration and development of blockchain technology and agriculture on the basis of increasing kiwi fruit yield and income.Using science and technology to solve bottleneck problem of agricultural development.