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To adjust the temperature of the air and soil for the greenhouse automatically,the parallel heating method with demand is used to design a greenhouse heating system. Meanwhile,the centralized heating and monitoring management system that is composed of temperature monitoring nodes,general node and management center of boiler room is designed by three layers of management structure. The temperature monitoring node uses the sensor Pt100 to get the temperature of hot water in the radiator pipe and send it to the general node by ZigBee wireless network,adjusting the temperature of the greenhouse and water-exchanging operation by controlling the fans and pipeline valves according to the pre-set temperature. The general node can calculate the quantity of heat through the meter and send them to the computer in the boiler room through CAN bus after processing the whole temperature data. The test results show that the designed system works well and greatly improve the heating efficiency and automatic control level,which makes the temperature difference less than 0.5 ℃,providing a powerful technical support for the refinement and intelligent agricultural development.