If the swelling of the calf belly is obvious after standing for a long time, it is considered to be caused by venous blood stagnation. You can elevate the lower limbs, with the ankle joint higher than the knee joint and the knee joint higher than the hip joint, to promote the venous blood flow back to the lower limbs through the effect of gravity, which can significantly reduce the symptoms of localized swelling and pain in the calf belly of the patient. Compression stockings can also be worn during activities, which can assist in promoting venous blood flow. You should pay attention to the appropriate exercise to enhance the muscle tone of gastrocnemius muscle, which can also promote the venous blood return, appropriate running, swimming, these exercise methods can prevent the occurrence of varicose veins, because some patients will also be combined with superficial varicose veins of the lower limbs. After activity and exertion, it also leads to the aggravation of lower limb symptoms, and in serious cases, the formation of local phlebitis, which requires further choice of surgical treatment if necessary.