The invention provides a greenhouse intelligent control system comprising an intelligent control module, a computing service cluster module, a central control module, a terminal monitoring module and a communication module. The terminal monitoring module comprises a detection terminal, a control terminal and a collection terminal; the intelligent control module is in a first communication connection with the computing service cluster module, the computing service cluster module is in a second communication connection with the central control module, and the central control module is in a third communication connection with the terminal monitoring module. The greenhouse intelligent control system has advantages of convenient operation, high management efficiency, low labor cost, and good economic benefit, and can monitor and effectively control the ecological environment of greenhouses in real time.