The specific location of Achilles tendonitis is a series of localized pain, tenderness, and stiffness in the upper part of the heel. Typical symptoms are painful soreness, stiffness, and localized tenderness in the posterior interior of the upper heel. Achilles tendonitis can occur in any area of the Achilles tendon, usually in the morning or during rest time after strenuous exercise. Since the Achilles tendon is a continuation of the calf muscles, pulling and squeezing can cause intense pain, which is caused by a change in the position of the tendon due to muscle contraction. Since the Achilles tendon is a relatively large tendon tissue in the body, it is an important structure to maintain posture for movement. So standing and walking will aggravate the performance, especially when running sports pulling the Achilles tendon leads to local swelling, serious skin redness and hot inflammation performance. The chronic phase of pain is generally manifested by walking or climbing up stairs, etc., and gradually the performance of the Achilles tendon area increases. The treatment of Achilles tendonitis can be done by activity control, local massage, massage, physiotherapy, or in severe cases, surgery to remove the inflammatory tissue around the Achilles tendon.