These magnetic stones are used for fun in office, they are also used for massage. The magnetic stones can increase the vibrate ions in blood which promote blood cycle. Recent studies show that magnetic stones have obvious effect on keeping pressure stable, keeping people from high blood pressure, decreasing the heart attacks. Magnetic stones also have favorable assistant treatment on diseases such as lumbago, backache, body limb numbness, insomnia and headache caused by unbalanced internal cycle.