If the foot exostosis is not treated, the following conditions will occur: 1. aggravation of flatfoot: the degree of exostosis will gradually increase, when the foot exostosis, the medial longitudinal arch of the foot will gradually collapse, causing the aggravation of flatfoot. 2. osteochondritis and bursitis: as the severity of foot exostosis increases, there will be a change in the negative focus of the heel bone, causing osteochondritis of the medial heel bone and bursitis of the medial heel bone. 3. plantar fasciitis: resulting in The plantar fascia is subjected to a gradually increasing load, resulting in strain on the plantar fascia, and a continuous increase in the tension of the plantar fascia, which can lead to a jamming of the cutaneous nerve in and out of the plantar fascia, resulting in plantar fasciitis and plantar pain. 4. Degenerative osteoarthritis: the foot exostosis is constantly aggravated, which can lead to an abnormal ankle joint gap and, over time, degenerative osteoarthritis of the ankle joint.