This study used the event research method to explore the effect of the 68-story special stocks of Taiwan listed companies on the remuneration of common stocks before and after the period from 1988 to 2016. The event research method was used to investigate the stock price change of the common stock on the 10th day before the special stock issuance, and the degree of reaction was examined to determine whether there was a significant difference between zero-average abnormal pay or cumulative average abnormal pay. It was found that the result of the 21-day event was only When issuing special shares or issuing special shares of non-convertible common stock, the common stock price has a significant positive reaction around the issue date. For all samples, accumulated special shares, non-cumulative special shares, non-participating special shares, or convertible special shares, the common stock price seems to have no response to its issuance.