In order to solve the problems of the cross-border between Taiwan and China, protect the rights of the cross- strait people, and maintain regional security. First, the article will analyze the difficulty of Taiwanese criminal justice cooperation, and explain the process of cross- strait criminal judicial cooperation. Then, the text will introduce the examples of important international criminal justice cooperation, review this agreement, and provide the suggestion of the agreement. In the end, the research could provide legislative advice as future reference.