How to reduce leg swelling, mainly for the causes of leg swelling, common causes are trauma, cardiovascular disease, kidney disease, thrombosis, etc., according to the causes of general treatment, drug treatment, surgical treatment. 1. Trauma: It is recommended that the affected limbs be strictly braked and elevated, and cold compresses can be applied in the acute stage to reduce swelling, and hot compresses can be applied in the later stage, and medication can be applied appropriately for patients with heavy swelling, such as intravenous mannitol. 2. Cardiovascular disease: for example, coronary heart disease, cardiac insufficiency can lead to blood circulation disorders, lower limb blood return to the heart is blocked, will cause lower limb edema, can be given to furosemide and other diuretic, reduce the cardiac load, or digoxin and other cardiac drugs. 3. Kidney disease: renal insufficiency or renal failure caused by nephritis, nephrotic syndrome, etc. can lead to sodium retention and cause lower limb edema, which can be treated by furosemide and other drugs for diuresis, methylprednisolone and other anti-inflammatory drugs, or by using capsules of xanthosine to improve renal function. If necessary, dialysis treatment. 4. Thrombosis: such as lower extremity deep vein thrombosis, arterial embolism, etc., can also cause leg swelling, for this kind of patients can be targeted selection of anticoagulant drugs, such as heparin, etc. for treatment. If necessary, surgery or interventional thrombosis. There are many causes of leg swelling in the clinic, so it is important to consult a doctor in time to clarify the cause of the disease. The above drugs should be used under the guidance of a doctor, avoid self-medication.