With the development of the intelligent greenhouses monitoring and controlling system, it is an urgent problem to be resolved how to make workers operate the greenhouses monitoring and controlling system more conveniently. A human-computer interface of the monitoring and controlling system was presented in this paper by using embedded real-time operation system and touch-sensitive screen. This interface was realized by the touch-sensitive screen development package of Amulet series, and the interface control code with HTML language embedded in the package was also given. The interface was prior to the traditional one in the following aspects: simple, friendly, low cost and so on. It also improved the operable performance and the practical value.