Buckwheat crissum cushion

The utility model discloses a buckwheat crissum cushion. The seat cushion comprises a seat cushion body, the cushion body is in a circular ring shape. A shell is arranged on the outer side of the cushion body; an upper shell is arranged at the top of the shell; lower shell arranged at bottom, the edges of the upper shell and the lower shell are connected; wherein a cushion main core is arranged inthe shell; wherein the cushion main core adopts a structure without an opening; an interlayer is arranged on the outer side of the cushion main core; the interlayer is connected with the cushion maincore in a sewing manner; the cushion main core is filled with crushed buckwheat; an anti-skid layer is arranged on the lower side of the lower shell; the device is simple in structure, reasonable indesign and convenient to implement; according to the utility model, wounds are prevented from being directly contacted with the chair, hip pressure can be relieved when a patient sits down after perianal surgery, ergonomic desi