The present invention relates to a smart farm management system using an internet of things (IoT) and a big data platform, which can analyze a growth environment of a cultivation crop and can control a crop cultivation environment based on big data. The smart farm management system of the present invention comprises: a plurality of IoT devices equipped with sensors for measuring a crop cultivation environment and a growth condition; a big data platform including an IoT data collection unit for communicating with the plurality of IoT devices to receive and collect measurement IoT data for the crop cultivation environment and the growth condition from the plurality of IoT devices, a big data analysis unit for analyzing a crop growth environment by analyzing and processing big data on the basis of IoT data collected from the IoT data collection unit, a control data generating unit for generating cultivation environment control data on a cultivation crop on the basis of analysis data of the crop growth environment analyzed by the big data analysis unit, and a visualization information generating unit for visualizing IoT data collected by the IoT Data collection unit; and a user terminal connected to the big data platform through a network to output IoT data information visualized by the visualization information generating unit.
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