What department to see for a tendon bump on the top of the foot is a judgment that needs to be made based on the patient’s specific condition, which may be caused by tendon cysts, lipomas, sebaceous cysts and other diseases, and the patient can see orthopedics, general surgery, dermatology and other departments. When a patient has symptoms of a tendon lump on the top of the foot, he or she cannot judge which department to see by one symptom. If the symptoms of a tendon lump on the top of the foot are accompanied by mild pain, numbness at the distal end, and joint movement disorders, it is considered to be caused by a tendon sheath cyst, and the patient can go to an orthopedic department. If the symptoms of a lump on the top of the foot are accompanied by pain, numbness, and tenderness of the tumor, it is considered to be caused by lipoma, and the patient can go to the Department of General Surgery for consultation. In addition, patients with symptoms of a lump on the top of the foot, if accompanied by redness, swelling, fluctuating sensation, bursa or pain and other symptoms, it may be caused by sebaceous cysts, and it is recommended that the patient go to dermatology, general surgery for consultation. Patients with symptoms of a tendon on the top of the foot, should promptly go to the hospital, but the specific department should be based on the patient’s local hospital sub-specialties, it is recommended that patients go to the hospital to consult.