Directing at the current development condition of the internet of things and based on the available technology analysis of the internet of things, the paper makes analysis and research on the internet of things in terms of technological levels and systems. Started from three aspects, respectively, data collection, network service, date fusion and computation, the paper analyzed the technologies like RFID, ZigBee, sensors, Cloud Computing and so on, based on which the paper further brought forth the technological system framework of the internet of things. By combining the technology system framework, the paper carried out the application research in aspect of intelligent agriculture and raised the system construction of production monitoring system of agriculture standardization which is based on the internet of things. Moreover, the paper carried analysis and research works on the sensor nodes of the system, made analysis and discussion on the various technologies involved.