Ankle calf edema first to clarify what causes, may be caused by physiological factors, may also be caused by pathological factors. 1. Physiological factors: need to adjust the lifestyle to lift. At night when you sleep, pay attention to leg elevation, avoid long time standing, walking, reduce the occurrence of edema, pay attention to avoid calf and ankle cold, avoid exertion. 2. Pathological factors: the ankle and calf edema may be caused by blood clots. If there are blood clots in the intermuscular veins of the calf, it is easier to have ankle and calf edema. At this time, ultrasound should be done to give the appropriate diagnosis, and early anti-thrombotic treatment should be given. In addition, swelling of the ankles and calves may also be caused by other organ diseases, such as heart failure or serious kidney disease, which should be actively treated for the primary disease, and at the same time give active symptomatic treatment.