Private equity fund develops sharply in recent years, and many middlesized and small companies need its fund support as well as management skill. We selected 181 private equity backed companies in growth enterprises market as sample to research the relation between private equity fund characteristics and backed company growth. The result reveals that there are positive relation between private equity reputation index, registered capital and company growth. In contrast, there is obviously negative relation between the number of private equity, investing time and asset scale, and there is not significant relation between the company growth, the experience, shareholding ratio and net profit of private equity investment funds. 