Magnetic insole is a kind of healthy product which uses magnetic principle. It embeds many small magnets in the insole to improve the health of the body through the action of magnetic force. Magnetic insoles are widely used in health field, and are considered to have many functions, such as improving blood circulation, relieving fatigue, promoting metabolism and relieving muscle soreness.

However, it should be noted that there is not enough scientific evidence to prove that magnetic insoles can really play these roles. In addition, if it is used improperly or for a long time, it may cause certain harm to the body. Therefore, it is best to consult a doctor or a professional before using it.