Wake up in the morning Achilles tendon pain can be due to frostbite, pulling, trauma, strain, osteophytes and other reasons lead to its pain, should be clear reasons for the treatment of the cause. 1. Frostbite: when the foot is outside due to uncovered quilt, it can lead to frostbite and pain of this kind. 2. Pulling: patients due to recent strenuous exercise, resulting in its local tendons are excessive pulling, and the symptoms of pain in the morning wake up. 3. Strain: due to ageing, prolonged work strain, such as long-distance runners, resulting in localized aseptic inflammation, leading to the emergence of painful symptoms. 4. Osteomalacia: traumatic arthritis can occur after Achilles tendon injury and cause osteomalacia, bone spur hyperplasia irritation of the local area, resulting in pain. When the above symptoms occur, please go to the hospital in time, after clarifying the cause of the disease, so as to avoid delaying the condition and causing danger.