Control System of greenhouse is a kind of environmental automatic control system that is designed for the agricultural greenhouse, agriculture environmental control and weather observation, able to measure a lot of  agricultural factors such as direction and speed of wind, temperature and humidity of air or soil, air pressure, rainfall, solar radiant quantity and ultraviolet intensity, etc. It can control the facilities of ventilation system, shading system, cooling system, illumination supplement, irrigation and fertilization, adjusting the inner environment of the greenhouse to the most suitable conditions.