The existence of performance persistence in mutual fund is an important factor when investors select mutual funds. If have the phenomenon of performance persistence, the investor can use as a performance before a reference for future investment. Therefore, this study discussed measuring the fund performance during the pre and post, whether there have the phenomenon of performance persistence. The study period will be ten years divided into the pre and post. Use rate of return, standard deviation, Sharpe index, Jensen index, Treynor index and information ratio, and used structural equation modeling to analyze the result. The result showed that fund performance during the period of pre and post has persistence.