Abstract: Internet of things technology has been introduced in the field of facility agriculture, and environmental information of solar greenhouse tomatoes at different growth stages has been collected through the internet of things platform．By comparing suitable production conditions for tomatoes in solar greenhouses and providing information feedback through internet of things system platform and mobile apps, automatic irrigation, automatic rolling curtains, automatic film rolling and other automatic controls have been achieved．Targeted implementation of refined, intelligent, and automated scientific management has changed traditional management mode of solar greenhouses, improved labor productivity, and promoted development of facility vegetable industry．