1. A system for managing resources in virtualized environment, comprising OSS and its associated NMS and EMS, service delivery platform, master, slave, network switch and shared storage devices, and at least one virtual machine runs on said slave, wherein: said service delivery platform is connected with said OSS, and forwards a resource request from the user to the master; said master is connected with said slave and network switch, receives the service delivery platform requests, which controls the slave and virtual machine running on the slave; there is at least one said slave, which is connected to said network switch and shared storage device and said TMN, and interacts with said master; said shared storage device is connected to network switch, slave and master.