Abstract: Tomato as one of the most popular vegetable varieties in daily life,the planting area is gradually expanding,especially the greenhouse planting gradually expanded,compared with hydroponic culture,greenhouse planting cost is low,equipment maintenance is simple,the promotion range is large.In this paper,based on the growing environment demand of tomato and the development status of greenhouse,the Internet of things data acquisition system of tomato greenhouse was designed to realize the monitoring of the environment,the technical operation is simple,the production cost is reduced,the production efficiency is improved,and it also provides an analysis platform for the study of physiological growth of tomato.