Calf soreness and cold feet can be caused by lumbar spine disease, vascular disease and diabetes. 1. Lumbar spine disease: If you suffer from lumbar spine disease such as lumbar disc herniation, lumbar spinal stenosis or lumbar spine slippage, it may lead to pressure on the nerve root, and the phenomenon of soreness and swelling of the calves and feet is cold. 2. Vascular diseases: If you suffer from varicose veins or occlusive vasculitis of the lower limbs, poor blood circulation in the lower legs may lead to insufficient blood supply to the feet, which may result in sore and swollen calves and cold feet. 3. Diabetes mellitus: In the advanced stage of diabetes mellitus, peripheral neuropathy leads to inflammatory changes in the peripheral nerves, resulting in the clinical symptom of sore calves and cold feet. It is recommended that people with sore calves and cold feet go to a regular hospital in time to clarify the cause of the disease and standardize the treatment under the guidance of the doctor, so as not to delay the disease and bring adverse effects to the body.