Joint burial cinerary casket

The utility model relates to a joint burial cinerary casket. The joint burial cinerary casket comprises an outer shell and an inner shell. A main body of the outer shell is of a columnar structure, one end of the outer shell is provided with an opening, and the outer shell provides a placement foundation for the inner shell. The main body of the inner shell is also of a columnar structure, the inner shell is arranged in the cavity of the outer shell, the body length direction of the inner shell and the body length direction of the outer shell face the same direction, and a bone ash placing foundation is provided by arranging the inner shell. More than two inner shells are arranged, and the side surfaces of the more than two inner shells are adjacently arranged in the cavity of the outer shell. One cinerary casket can complete joint burial of more than two pieces of bone ash, and the joint burial function of the joint burial cinerary casket is achieved. During burying, the shell is vertically arranged in a gra