Elevating the feet has many benefits, the common one being that it can promote venous blood return, especially if the patient has a history of varicose veins in the lower extremities, and can elevate the lower extremities bilaterally in a lying position, which can relieve the patient of lower extremity soreness and swelling as well as pain and discomfort. Patients with deep vein thrombosis in the lower extremities should have their feet elevated during the acute phase as an adjunct to treatment. The patient should be bedridden during the acute phase to prevent the embolus from dislodging and triggering a pulmonary embolism. Elevating the feet can also relieve muscle tension and discomfort, and soft pillows can be placed underneath the knee joints when lying in a flat position to effectively reduce fatigue. You should do sports and exercise to improve the contraction ability of the gastrocnemius muscle.