Calf swelling is considered to be caused by overwork, varicose veins of the lower limbs, lumbar spinal stenosis, etc. Patients can take general measures, medication and surgery to solve the problem. 1. Excessive exertion: If the patient often walks or hikes recently, or does not exercise for a long time, and then suddenly runs with higher intensity, which leads to excessive exertion of the calf muscles, calf swelling will occur. At this time, patients generally do not need special treatment, recent attention to rest, appropriate massage, hot compress calf can be. 2. Varicose veins of the lower limbs: the early stage of this disease often leads to leg soreness, calf muscle spasms and other symptoms, some patients will appear calf swelling. Patients can follow the doctor’s instructions to take sodium heptaphylloside tablets, citrus flavonoid tablets and other venous active drugs for treatment, for the clinical symptoms are more serious or the effect of drug treatment is not good, may also need to be through the saphenous vein ligation and other surgical treatment. 3. Lumbar spinal stenosis: patients with this disease often have low back pain, intermittent claudication and other symptoms, of which, intermittent claudication will lead to lower limb soreness, swelling, numbness and other symptoms after walking for a certain distance, and some of the patients will be manifested as swelling of the calves. Patients can take non-steroidal anti-inflammatory drugs such as celecoxib and diclofenac, as well as neurotrophic drugs such as methylcobalamin as prescribed by the doctor. If medication is not effective or the condition is severe, surgical treatment such as laminoplasty may be required. There are many clinical causes of calf swelling, so it is recommended that the patient first consult a doctor for examination to clarify the specific cause of the disease.