In recent years, with the constant development of social life, many new situations and problems involved marriage and family occur, whereas the blanks of relevant litigation exist in the original laws. In this background, the ninth session of NPC Standing Committee put through “PRC Marriage Law” in April 28, 2001 which put into practice in April 29. The revised one made important amendment and complement to the 1980’s law in lots of aspects, such as marital elements, void marriage, family violence. marital property system, damages in divorce and so on. The revision is developing and completing the civil legal system. but also has certain influences on the field of International Private Law. This thesis deeply discussed the effects to litigation caused by the new-built system in this revision including void marriage, revocable marriage, cognizance of factual marriage, marital property system, damages in divorce, etc. Moreover it brought forward the suggestion of litigation in International Private Law in marital field. on the basis of comparing different legal system in different nations as well as Taiwan.