It has been inlays 57 pcs permanent magnets in corresponding human cervix, shoulder and back. It makes  magnetic force directly act on the important point of human body.

It can alleviate fatigue on back and reduce the ache of the shoulder, has assistant cure effect for cervix vertebra disease, inflammation of shoulder, ache of cervix, bronchus asthma, etc.

It can effectively protect the heart, activate cardiac muscle cells, increase spring of blood vessel, improve blood supply status of heart, reduce angina and prevent heart disease to happen and development.