The widget applications have been very widly used on PC platform and hand-held devices. Widget applications will be widely used on the IPTV platform. This paper describes a widget system of IPTV on the ST-9150 hardware platform which is designed by STM icroelectronics (ST) company. This widget system consists of three parts: widget engine, widget manager and widget applications. The widget engine is come from the Google widget engine which is ported to ST-9150; widget manager is designed using the Qt framework technology; through the Google Desktop IDE, three widget applications are implemented, which is suitable for the IPTV platform. As the conclusion, it provides a IPTV widget system, which can be a good fit for the IPTV platform, and can well organize the widget applications.