Traditional family dispute cases generally refer to cases involving internal family members, such as divorce, support, upbringing, support, inheritance, division of family property, etc. Now they have covered invalid marriage, annulment of marriage, liability for damage after divorce, personal freedom, marital property agreement, denial of legitimate children, confirmation of biological father, cohabitation property analysis and visitation rights, guardianship rights With the prominence and deepening of social transformation, the new types of cases derived from family disputes are diversified, such as debt repayment of the decedent, legacy maintenance agreement, foreign-related marriage and old related marriage.