What does it mean for a married daughter to set off fireworks at her parents' home on October 15?

Only in the Song Dynasty. According to the law of the Song Dynasty, 1, the husband was still alive after his wife died. If a wife adopts a man as an adopted son from her husband's relatives, the son has the right to inherit as a parent's child. In this case, unmarried and married women have no inheritance rights. 2. If both husband and wife die or one of them dies and there is no adopted son to inherit, the woman also has the right to inherit. In this case, if there are unmarried sisters in the family, married women have no right to share the property; If the married woman is an only child or both sisters are married, the married woman can get one-third of all the property or share one-third of the property with other sisters.