Dorsal bone bulge may be normal physiological bulge, or it may be caused by fracture, deformity healing, occupational lesions and other pathological factors. 1. Physiological bulge: due to congenital individual development, or long-term improper shoes, the phenomenon of dorsal bone bulge can be more obvious than normal people, if not accompanied by any uncomfortable symptoms, no need for special treatment. 2. Fracture: the dorsum of the foot is mainly composed of navicular bone, cuneiform bone and other bones, if the continuity of the bone is damaged due to trauma or other reasons and fracture occurs, there may be the symptom of bumpy bones on the dorsum of the foot, which may be accompanied by pressure and pain, subcutaneous bruising and other symptoms. 3. Deformity healing after fracture: If the fracture is not treated in time or caused by displacement of the broken end of the fracture, deformity healing after fracture may occur, and the dorsum of the foot bone may also be protruding obviously. 4. Occupying lesions: if the bone or cartilage tissues in the dorsum of the foot have abnormal proliferation, the symptoms of dorsum of foot bone protrusion may also appear, such as osteochondroma, osteosarcoma, etc.; soft-tissue occupying lesions, such as tendon sheath cysts, subcutaneous fibroids and so on. There may also be other reasons for the bulging of the dorsal bones of the feet, it is recommended that the patient go to the hospital in time, complete the examination to clarify the cause of the disease, and then give targeted treatment or treatment under the guidance of the doctor.