Abstract: A live broadcasting method and its system for SNG webcasting studio is an easy tool for producing teaching material and online live broadcasting. The system comprises SNG audio/video special effect equipment, a webeasting encoder, a synchronization control program for streaming audio/video, presentation files and digital whiteboard and a streaming server. Through the SNG webcasting studio, multimedia content is easily integrated. Teaching material is produced immediately and output for online broadcasting. Further, the system allows the integration of the broadcasted content from camcorder or VCR and PowerPoint files. Through Intranet or Internet, the teaching or training program is broadcasted online. The viewer only needs to logon Internet to watch the teaching or training program.