GEM is a convenient financing channel for high-tech SMEs, enriching the structure of multi-level capital market in China. The research on companies listed on GEM is of great significance from all aspects. In this paper, our research is based on the publicly available data about which listed companies on GEM of Hunan Province published in last three years. The main means in this research is measuring the companies' EVA, and a variety of statistical methods and financial accounting are also used in this paper. This research generally analyzes li...