With the deepening of globalization, many provisions in the Nationality Law of China promulgated in 1980 are already out of time and some provisions are easy to trigger dual nationalities. Consequently, while sticking to the basic principle of the Nationality Law, certain provisions of the Nationality Law of China should be gradually improved according to the present situation of international and domestic development, and the implementing guidelines for the Nationality Law should be introduced to construct a relatively complete legal system to adjust and regulate various relationships of nationality.