The strong instrumentalism of the autonomy of will and the prior
ethics of humanity have their own shortcomings, but they cannot complement
each other. The autonomy of will is restricted and restricted by ethics, morality,
and the maintenance of marriage and family by the marriage and family law
in the behavior of relatives. The hysteresis and stability of ethics and morals
themselves are gradually emerging in the current era of rapid development and
social life. Out of touch. These problems make part of the legal interests in the
kinship behavior fail to be well protected. The intervention of the state coercive
force maintains modesty while properly adjusting the relationship between the
two is the focus of this article.