The ultra-long wave hot compress belt is controlled by microcomputer and has unique ultra-long wave function. The strong magnetic field generated by four super magnets enhances cell vitality and improves microcirculation. The belt only has the functions of fixing the waist, strengthening the muscle strength of the back and protecting the lumbar spine, and has no long wave and magnetic field functions. The ultra-long wave of electromagnetic wave in the ultra-long wave hot compress belt has penetrating magnetization on human body, which can promote the metabolism of human cells, improve human immunity and improve physical quality and health level, but the belt does not have these special characteristics.