Lateral calf tendon pain should be treated with general treatment, medication, physical therapy and surgery according to the cause, which may be physiological pain caused by excessive exercise, or it may be caused by herniated lumbar disc, fasciitis, leg trauma and other diseases. 1. Excessive exercise: Excessive walking or exercise can lead to lactic acid buildup inside the calf muscle, which can have the symptom of lateral calf tendon pain, which can be relieved after rest. 2. Lumbar disc herniation: Lumbar disc herniation can lead to lateral calf pain when it presses on the nerves, which can be treated conservatively, such as bed rest, oral ibuprofen capsules for pain relief, and pelvic traction under the guidance of professionals. If conservative treatment fails to relieve the pain, you can undergo surgery such as discoscopy. 3. Fasciitis: Fasciitis occurs on the lateral side of the calf can be localized due to inflammation and stimulation of redness, swelling, heat and pain, you can take oral ibuprofen, celecoxib and other drugs for pain relief, and there are bacterial infections such as amoxicillin and other drugs can be taken for anti-infective treatment. Can also be hot compresses, baked electricity and other physical therapy. 4. Leg trauma: when the outer calf suffers impact and other trauma, soft tissue damage occurs, causing pain. Within 72 hours of injury, you can apply ice packs locally to reduce bleeding and swelling, and after 72 hours, you can apply hot compresses locally and take Yunnan Baiyao orally to promote blood circulation and speed up the recovery of the affected limb. There are many other causes of lateral calf tendon pain, such as lower extremity vascular disease, if rest does not relieve, should go to the hospital in a timely manner, improve the examination, clear the cause of the disease to give targeted treatment in accordance with the doctor’s instructions, the drugs need to comply with the application of the doctor’s instructions, so as to avoid delaying the condition.