The invention discloses a pressure cooker back carrying frame which is formed by a back carrying frame body and straps. The back carrying frame body comprises an L-type outer frame support, a waist support, a pot supporting plate used for supporting the lower portion of a pressure cooker and a pot support used for supporting the pot body of the pressure cooker, the upper ends of the straps are arranged on the upper end transverse beam of the L-type outer frame support, and the lower ends of the straps are arranged on the side rods on the two sides of the L-type outer frame support. The waist support, the pot supporting plate and the pot support are fixedly mounted on the L-type outer frame support. The pressure cooker back carrying frame is reasonable in structure, light in weight, large in load bearing capacity, safe and reliable.