The common causes of external ankle pain may be related to local bursitis, external ankle fracture, local subcutaneous tissue infection, etc. The details are as follows: 1. Local bursitis: bursa exists in the subcutaneous tissue of the external ankle, if it is traumatized or rubbed, it can produce bursal inflammation, and the patient will have pain symptoms at the external ankle, accompanied by local swelling and mild activity restriction when walking; 2. External ankle fracture: fracture of the foot or direct violence can cause a fracture at the external ankle. The fracture can be dislocated, with local pain, swelling, activity limitation, and even fracture deformity, etc. X-ray can confirm the diagnosis. The above are the common causes of external ankle pain. Timely diagnosis and treatment can relieve the symptoms.