From the field of public law into private law areas, to protect human right of woman is the main trait of CEDAW. Compared to other International Bill of Human Rights, this is the most significant feature of CEDAW. CEDAW implementation in the field of private law in Taiwan is the Civil Law, mainly in family law. In addition, to stipulate the CEDAW’s effectiveness of the law in Taiwan, Ministry of the Interior has proposed the draft on CEDAW implementation. After the Legislative Yuan enacted and the president announced, Taiwan will have the third example which international convention changes into domestic law. Above all, it can highlight Taiwan’s determination to protect the rights of women. Before CEDAW Implementation Draft becomes legislation, this paper priors to testing CEDAW in family law practice and discussing the existing law not completed. It should contribute to the adjustment and correction regulations after the passage of CEDAW Implementation.