From the point of view of human mechanics, standing for a long time directly affects the foot pain caused by the collapse of the arch of the foot, and even affects the knee joint and hip joint, causing knee joint swelling and pain. At present, physical therapy can be used to solve the foot pain and low back pain caused by standing for a long time due to professional relationship. Foot-benefiting and foot-correcting insole is designed according to the principle of human mechanics, which can reasonably distribute the plantar pressure, relieve the impact on the heel and knee joint when people walk and exercise, and effectively prevent and relieve the symptoms such as foot pain, knee pain, low back pain and spinal diseases caused by foot diseases.