[ Content summary ] Our country in April, 2001 revises "Marriage law" first to legislate the form to be clear about the husbands and wives faithful duty, this article emphatically elaborates the husbands and wives faithful duty concept, makes the limits to the husbands and wives faithful duty legal nature, then from our country angle and so on socialism nature and national condition, legal principle theory of law research as well as judicial practice expounded in the marriage law stipulated the husbands and wives faithful duty the necessity, finally, this article emphatically to "is faithful" the legal nature localization, violates the husbands and wives faithful duty whether may take the legal divorce matter as well as violated this voluntary the mistake side to should to undertake question and so on damage compensate responsibility has made the detailed elaboration, Proposed in the extant theory viewpoint and the legislation and in the judicial interpretation stipulation foundation own some viewpoints and the view, to the time are helpful to this question understanding deepening.
[ Key word ] husbands and wives faithful duty, spouse power, loyal agreement, legal sanction, legal divorce matter