As the development of technology, to integrate TV with mobile telecommunciation systems for providing bidirection multimedia broadcasting service has becomed new emerging trends in the world. For effective usages of spectrum resources, much more technology standards for mobile TV services have been expected to provide bland new and creactive services after voice and data type services. In this thesis, we will treat each kind of technology for mobile TV and the existed service lauched by government to infer suitable technologies and possible value-added services. At the same time,we will dissus new business model and analyzed the development of communication business of Taiwan. With those investigation ,this thesis will advance suggestions of key componets for promoting mobile TV services under the digital convergence trend.