A small tendon on the back of the foot is broken, the surgery is mainly tendon anastomosis, it will cost about 3,000 to 5,000 dollars, depending on the region and hospital the cost is slightly different. A broken tendon on the back of the foot is a tendon rupture and the surgery required is a tendon anastomosis. This surgery mainly involves the use of tendon sutures to close the tendon, and the approximate cost of the surgery is 3,000 to 5,000 dollars. The cost is mainly composed of preoperative examination fee, surgery fee, anesthesia fee, and material fee. Specialized tendon anastomosis sutures are needed to close the tendon, and the approximate cost is about $500~700. The cost of the operating room is roughly composed of surgical fee, anesthesia fee and some other expenses, which is about $1000~2000 in total. The exact cost may vary depending on the injury, region and hospital, so it is recommended to consult the surgeon specifically.