In the environment of greatly improving high-tech, there is a small and lightweight "little guy" mobilizing a good market atmosphere. It's it! There are also several types of magnets, among which neodymium iron boron magnets are more commonly used. It is produced from neodymium metal, pure iron, boron iron alloy as raw materials, and other additives. It is the magnet with the most outstanding performance price ratio so far. By utilizing the high strength magnetization energy of neodymium iron boron magnets, the density and solubility of water in the field of disease prevention and health care can be changed, affecting chemical properties such as acidity and alkalinity, and increasing the activity of enzymes in water and the permeability of biofilms. In the scale removal and prevention industry, it is to improve the activity and solubility of water, which is not easy to condense on the wall and can be easily carried away by water, achieving the effect of scale removal. Moreover, it is widely used in communication technology, electrical engineering, and wind power generation industries. And the currently popular maglev trains are also made based on the principle of same-sex repulsion of neodymium iron boron magnets. Neodymium iron boron magnets have a small figure and a great effect.