被告王某的两次事实婚姻属于重婚，其行为已构成重婚罪。一．从社会危害性上看，王某事实重婚的社会危害性已达到犯罪的程度。二．从犯罪构成看，王某事实重婚符合重婚罪的犯罪构成。第一，从主体看，王某属于事实婚姻中已有配偶的人。第二，从客体看，王某事实重婚侵害了我国 The two de facto marriages of the defendant, Wang, belonged to a bigamy and their act constituted a bigamy. one. From the point of view of social harm, Wang, the fact that the social harmfulness of bigamy has reached the level of crime. two. From the point of view of crime, the fact that Wang is bigamy is in line with the crime of bigamy. First, from the perspective of the main body, Wang is a spouse of a de facto marriage. Second, from the perspective of the object, Wang actually violated our country by bigamy