Abstract: Development of agriculture is key support of rural revitalization strategy.With rapid emergence of new technologies，such as the internet，digital agriculture and intelligent agriculture emerged as times requirement，and development of agriculture had entered a new spring.A series of characteristics of intelligent agriculture，such as high efficiency，intelligence and precision have great practical significance to solve actual situation of our country and building a moderately prosperous society in all respects.In recent years，big data technology has developed rapidly and been actively applied in agricultural internet of things.Application status of big data technology in agricultural internet of things were analyzed，existing problems and shortcomings were found out，and corresponding improvement strategies were explored actively.