Eliminate toxins, relax tendons and activate collaterals, and improve chronic joint diseases. The function of plantar dredging machine is to expel toxins, relax tendons and activate collaterals, and improve chronic joint diseases. Electric foot massager is an electrical product that massages the foot reflex area by using electricity, and plays a role in dredging meridians. It is based on the distribution of acupuncture points on the human foot, in order to massage the foot to the maximum extent.