After the arch of the foot has collapsed, it is possible to correct it through treatment, as described below. When the arch of the foot collapses, the patient will have clinical symptoms such as fatigue and pain, and the ability to move will gradually decrease, and conservative treatment and surgery are generally used. Conservative treatment is mainly applicable to young patients, and can be applied to ultrashort wave therapy, flat foot orthopedic shoes, and actively exercise the intrinsic foot muscles and extrinsic foot muscles, pay attention to the correction of the figure-of-eight gait and normal gait landing place, forefoot propulsion movement. The surgical treatment is mainly for adult patients with combined osteoarthritis and bony deformities, such as triple joint fusion, elevation of the arch after the first and second metatarsal base osteotomy, muscle balance reconstruction, and removal of the paraspinatus. In severe spastic lateral foot arch collapse, subtalar joint fusion surgery can be performed.