In thebackgroundofECFA，theeconomicandtradecooperationwillbefurtherdeepened between China mainland and Taiwan region，and it is significantly important to analyse the stock issue institutions for enterprises China mainland in which the Taiwan Stock Exchange implements at the moment. This paper argues that Hong Kong' s economic development process and economic developmentstrategyareverysimilarwiththoseTaiwan's ofbothbelongtothe“AsianTigers”， Thecapitalmarket is always attachedtothereal economytomeet theneedof financial intermedia-tion for the enterprises. The success of Hong Kong securities market development is a good refer-ence for Taiwan' s securities market. This paper studies CEPA and its additional protocols that are related to the regulations of corporate finance for chinese enterprises. China mainland and Taiwan Regionmayreachanagreement for openingTaiwanstockmarket toChineseenterprises withinthe framework of the ECFA agreement. It makes further research on the coordination of funding laws andregulations of thetworegions，buildinganeffectivemonitoringsystemandsomeother institu-tion problems.