Useful! The so-called magnetic therapy is a health care therapy that uses magnetic fields to interfere with human functions. Suggestion: Magnetic therapy shoes can play the role of "magnetic therapy" for "red blood cells, white blood cells and platelets" in the blood flowing through the feet, and can supplement the missing bioelectric current in the human body, so that the blood circulation of the whole body is smooth and vigorous, which is very good as a health care function.