Swollen legs and feet can be treated as follows: first, general symptomatic treatment, you can take oral anti-swelling drugs, such as horse chestnut seed extract, for early anti-swelling treatment, and sleep with legs and feet padded at night, which is good for venous reflux and conducive to swelling. You can also wear elastic stockings, so that the symptoms of legs and feet can be reduced in the standing position; secondly, to treat the cause of the disease, the swelling of legs and feet should be identified and different treatments should be carried out according to the cause. If the swollen legs and feet are caused by venous thrombosis of the lower limbs, early anticoagulation therapy should be carried out. If the swelling of legs and feet is due to phlebitis and varicose veins of the lower extremities, early surgical treatment is required. If the swelling of legs and feet is due to other diseases, such as kidney or heart disease, specialist treatment for kidney and heart disease is required.