Foot buckle may be due to physiological reasons, may also be osteophytes, toe deformity and other reasons, it is recommended to go to the hospital in time, a clear diagnosis, for the cause of the treatment, the common methods are fixed in a brace, surgery and so on. 1. Physiological reasons: this mostly occurs in early childhood, mainly due to the body of the fetus in the mother’s body is in a coiled position, resulting in overlapping toes. In this case, treatment is usually not necessary, and the phenomenon of foot buckling will gradually ease with age. If the symptoms persist for a longer period of time, they should be immobilized with a brace to achieve a corrective effect. 2. Osteomalacia: Osteomalacia can lead to narrowing of the medial joint space, which in turn leads to pronation. When faced with this problem, a brace can be used to pull the foot outward, but this method requires a longer treatment time, so one should be patient enough. In addition, if necessary, the enlarged bony growths can also be surgically removed. Internal buckling of the foot may also be caused by toe deformity, compression in the uterus, etc. If it has already affected the activities of the foot, it is recommended to go to the hospital in time for a clear diagnosis and targeted treatment.