There are many reasons for patients to have lower limb edema symptoms, which can be relieved by ankle pump exercises, quadriceps training, unilateral or bilateral knee-chest exercises, and so on. There are many causes of lower limb edema, such as lower limb venous thrombosis, malnutrition, cardiac hypoplasia, renal disease, thyroid disease and so on. First of all, we need to carry out a systemic examination to clarify the cause and exclude serious complications such as blood clots. Then lower limb exercise should be performed. 1. Ankle pump exercise: ask the patient to lie down, straighten their lower limbs, the toes of the feet as far as possible to their own slowly hooked up, the toes of the feet as far as possible to the downward pressure, each action to adhere to the time of about 5 seconds, need to pay attention to the ankle as the center, to do 360 ° encircling. 2. Quadriceps training: patients in bed to do straight leg raising exercise, the height can be self-arranged, but the lag time should be about 5 seconds, 20 times for a group, 2 to 3 groups per day. 3. unilateral or bilateral knee to chest exercise: the action of soft thigh pressure to their abdominal chest, the opposite side of the same way to exercise, 20 times for 1 group, 2 to 3 groups daily. Discover the lower extremity shuip suggests that the patient timely consultation, under the guidance of a professional doctor for treatment, to avoid the adverse consequences of the generation.