The twelfth lunar month is a day suitable for sacrifice.

The twelfth lunar month is the first, fourth, seventh, eighth, ninth, tenth, twelfth, thirteenth, fifteenth, sixteenth, eighteenth, twentieth, twenty-first, twenty-fifth, twenty-sixth, twenty-seventh and twenty-eighth days of the twelfth lunar month.

Sacrificing ancestors, commonly known as going to the grave, is an activity to sacrifice the deceased. There are many places in China that pay attention to visiting graves, usually on the anniversary of death, the fifteenth day of the first month, Tomb-Sweeping Day, the fifteenth day of the seventh lunar month, the first day of October, New Year's Eve or the third day of the first lunar month.

The younger generation should prepare sacrificial supplies (including cigarettes, wine, steamed bread, incense, paper money, firecrackers, wreaths, etc.). ) and sacrifice in front of the tomb of the deceased to show the feelings of future generations for the older generation.