The human body is surrounded by a huge and complex geomagnetic network, which plays an important role in human function and health. Human cells are dominated by tiny electromagnetic currents, which are produced by chemical reactions between cells and ionic currents in the nervous system and are extremely sensitive to the changes of the earth's geomagnetic field. Scientific reports show that the earth's geomagnetic field is gradually decreasing every ten years, and the magnetic field interference caused by power lines, wires, cars, televisions, microwave ovens, computers and mobile phones. It has deeply affected human health, which is what scientists call "magnetic deficiency syndrome". Living in a reinforced concrete house or a towering building further hinders the opportunity for human body to be exposed to the earth's natural magnetic field.

How does the human body hit it off with the earth's magnetic field? The earth's magnetic field circulates at a frequency of 8 to 14 cycles per second. When the human brain is in a relaxed state, the frequency of alpha rhythm is exactly 8 to 14 cycles per second.