Engels pointed out that human marriage includes three types, they are groups marriage, pair marriage and monogamy. It is analysed from the marriage, purpose and ceremony of marriage, groups marriage, it is not a real kind of marriage. The pair marriage is really the first kind of matrimonial form. Taking the luxious family stage it is rudiments of modem marriage, taking a wife as chief family member stage it is the process of development and taking the husband as the chief family member stage it is the process of t...