▎ 摘　　要

NOVELTY - The utility model claims a multifunctional inflatable waist pad, comprising a " C " - shaped deformable shell; the inner part of the shell is provided with an inflating component and an air bag; the air bag is located at the middle part of the shell, the exhaust end of the inflating component is connected with the air bag, the air is filled in the air bag through the inflating component, so as to make the air bag support the shell and change the height of the shell; the outer surface of the shell is provided with two graphene heating sheets, wherein one graphene the heating sheet is located on the left surface of the inner side of the shell, and the other one graphene the heating sheet is located on the right surface of the inner side of the shell. The utility model increases the height adjustable function, improves the comfortable feeling of sitting posture.