Principle of magnetized water processor what is not absolutely pure water, and varying degrees of impurities dissolved salts, alkalis, acids and other ingredients, but also the presence of suspended solids insoluble impurities and trace metals and non-metallic elements in varying degrees, Therefore, different levels of water can be magnetized. This view put forward by the British physicist, known MHD principle. Meanwhile, the water is magnetized requires certain conditions: ① water should have a certain conductivity; ② water flow direction should be perpendicular to the direction orthogonal to the magnetic field lines; ③ water cutting magnetic lines should have a certain speed.