In the process of straightening the foot, especially the ankle joint, the muscles at the back of the calf are in a very tense state and pain occurs in the heel area, commonly in the form of Achilles tendonitis, when the Achilles tendon area is followed by a significant state of tension. Recently there has been a lot of exercise or walking, or even a lot of standing for long periods of time, resulting in strain and strain on the muscles and tendons in that part of the body, producing a sterile exudative inflammation. As far as possible, rest in bed for a period of time, avoid the above strain and strain, in the painful place more blood circulation, pain relief cream, such as blood circulation pain cream or Yunnan Baiyao aerosol, or even more hot water foot soak, etc., adhere to about half a month of symptoms can gradually reduce, indicating that the problem is not big. In the future, do a good warm-up before exercise, do not exercise too much, pay attention to good maintenance can be.