The tendon pain in the back of the foot can be treated as follows: 1. Patients are advised to keep braking and resting. Generally, for this area, patients are advised to use ankle guards or elastic bandages to fix the ankle joint along with the entire back of the foot. During the treatment period, the patient should try not to go down to the ground for weight-bearing activities, especially not to do the activity of hooking the toe. In addition to this, the patient should also pay attention to the warmth of this area.2. Patients can use some topical medication on the painful area, more common is to use thin creams, such as blood circulation and pain relief cream, wound and dampness pain relief cream. In addition, the patient can also apply Furtalin ointment here.3. If the patient feels more pain, he can take oral anti-inflammatory and analgesic drugs for a short time.4. If there is no significant relief after this treatment, then the patient needs to go to an orthopedic clinic in time. Sometimes, more aggressive treatment may be needed, such as local painful closed injection or surgery. Surgical treatment is mainly for local tendon sheath cysts, or tendon injuries.