Calf edema is related to long standing or long time walking, improper diet, disease, etc. It can be improved by rest, attention to diet and treatment. 1. Long time standing or long time walking: long time standing so that the calf to withstand gravity, long time walking lower limb muscles are too tense, resulting in slow blood return, venous return obstruction and edema, at this time, should sit down and rest, avoid continuing to stand or walk for a long time, appropriate massage of the calf, calf edema can be slowly relieved. 2. Improper diet: daily lack of calcium or protein intake is too small, also prone to calf edema. At this time, you should pay attention to diet, three meals a day, balanced diet, light. 3. Diseases: deep vein thrombosis, heart dysfunction, liver dysfunction, kidney dysfunction and other diseases may bring edema of the calves, then you need to clarify the cause of the targeted treatment. Calf edema can first rest, long time calf edema need to go to the regular hospital in time.