Leg swelling is a common symptom of kidney disease. The activity of kidney disease condition leads to a large amount of protein leakage in urine, aggravated kidney function damage or inattentive diet and excessive intake of water and salt may cause edema. It can be treated in the following ways: 1. Diet regulation: Diet should be based on high quality protein and low salt, less food rich in saturated fatty acids, more food rich in polyunsaturated fatty acids and soluble fiber, such as vegetable oil and oats. When edema is present, water intake needs to be limited, such as water, porridge, milk, tea, fruit juice, etc.; 2. Diuretics to reduce swelling: common diuretics include hydrochlorothiazide, furosemide, torasemide and spironolactone, which can increase the excretion of water and sodium and diuresis to reduce swelling; 3. Reduce urinary protein: persistent large amount of proteinuria can lead to increased glomerular filtration rate and aggravate tubular interstitial injury and edema. It can be treated with angiotensin-converting enzyme inhibitors or angiotensin receptor blockers, which can reduce urinary protein and thus relieve edema. In some patients, depending on the condition and pathology, glucocorticoids or hormones and cytotoxic drugs may need to be applied for treatment; 4. Adjustment of rest and rest: When patients have severe leg swelling, bed rest and elevation of the legs are recommended to promote blood reflux, which is helpful to relieve edema. It is recommended that patients with leg swelling symptoms should go to the hospital for examination in a timely manner and carry out corresponding treatment for the specific causes of leg swelling.