The common causes of frequent calf tummy soreness are muscle strain, varicose veins, lumbar disc herniation and so on. 1. Muscle strain: recent labor or walking too much leads to calf tummy muscle injury, thus appearing calf tummy soreness. 2. Varicose veins: blood circulation in the legs is impaired, so that the veins are compressed and the reflux is blocked, which can cause soreness and swelling of the calf stomach. 3. Herniated lumbar disc: compression and stimulation of nerve roots, causing sensory abnormalities in the lower limbs, which can lead to soreness and swelling in the calves. There may be other reasons for the soreness of the calf stomach, it is recommended to go to the hospital in time to improve the examination to clarify the cause of the disease, under the guidance of the doctor for standardized treatment.