Clinically different causes of foot swelling can take different relief methods: First, if the patient’s foot swelling is caused by malnutrition hypoproteinemia, at this time the patient needs to strengthen the energy intake, especially with fish, lean meat, eggs and other high-quality protein, appropriate supplemental albumin, strengthen diuretic, promote the excretion of water in the body, can effectively reduce this symptom of foot swelling. Second, the foot swelling caused by varicose veins in lower limbs can cause significant local swelling due to the large amount of waste metabolism in the tortuous blood vessels and accumulation in the feet. It is recommended that patients wear elastic stockings on both lower limbs to promote venous blood flow back and reduce the symptoms of foot swelling. For patients with severe varicose veins, if conservative treatment is not effective, surgery can be considered to remove the varicose blood vessels to completely cure the foot swelling.