Abstract: With the increase of requirement on services, the Quality of Service (QoS) has become oneof the most important targets of the system, specially the real time service has the most rigorous requirement on the capability of network and system. This paper then make a conclude in definition of two QoS parameter and finding a way of measurement evaluation quality.In the base of introduction of Mobile Streaming media system struction and operation characteristic, paper put forward measurement ways of client-base Mobile Streaming media and end to end Mobile Streaming media.moreover,paper research two key means of measurement evaluation quality-relation analysis and measurement technology. Key words:mobile stream media,quality of service,measurement technology