Frequent calf stomach pain may be caused by strenuous exercise, excessive labor, or myofasciitis, muscle strain, and lumbar disc herniation and other causes. 1. Physiological factors: If you do strenuous exercise or excessive leg labor, it may lead to the accumulation of lactic acid in the calf muscle area, so the body will appear calf tummy soreness and pain and other manifestations. This is a normal physiological phenomenon and does not require treatment. 2. Myofasciitis: the etiology of myofasciitis is not clear, and may be related to trauma, poor posture, excessive activity and other factors. Patients will have local muscle pain, local muscle tension or stiffness and other symptoms, if patients with myofasciitis in the calf area, it will be manifested as frequent calf stomach pain. 3. Muscle strain: Muscle strain may be caused by excessive muscle tension and sudden pulling of muscles. The patient will have muscle pain, muscle spasm or swelling and other symptoms. Therefore, patients with muscle strain in the calf will have the manifestation of calf stomach pain. 4. Other: frequent calf stomach pain may also be lumbar disc herniation, calcium deficiency, trauma and other causes. It is recommended that people with frequent calf tummy pain need to consult a doctor in time, if it is caused by physiological factors, no treatment is needed. If it is caused by disease, you need to follow the doctor’s instructions for the cause of the treatment.