In the view that the traditional PC desktop management model can not meet the demand of teaching resources in colleges and universities, this paper introduces the cloud desktop technology into the teaching resource management of colleges and universities to improve the utilization rate of the teaching resources and the management level of the staff. In this paper, the author builds a 900-point cloud desktop system platform by using the cloud server and thin terminal of Huawei. Based on the virtualization technology and cloud computing security model, it realizes the unity of cloud desktop, resource sharing and ensures the security and remote control of data. The test application was carried out in the teaching and management of the training center on the cloud. Result of application indicates that cloud desktop is more efficient, convenient and safer than traditional PC in resource utilization, network requirements, hardware configuration, energy saving management and use of the model, and it also has a huge development advantages.