The best way to reduce the swelling of low-protein edema is to supplement albumin, diuretic, and treat the original disease. Supplemental albumin: the faster way is intravenous infusion of albumin or plasma, but need to pay attention to whether the patient has a biological agent allergy and cardiac insufficiency, but also to give nutritional supplementation, enteral nutrition, for example, give more food with high protein content, eggs, milk, lean meat and so on. Diuresis: mainly the application of drugs, common intravenous drugs, such as torasemide, furosemide and so on. Treatment of primary disease: if the patient is caused by tumor, it is necessary to give surgical treatment, chemotherapy, etc.; if the patient is caused by nephrotic syndrome, it can be given hormones and immune preparations, etc. The methods to reduce the swelling of low-protein edema include replenishing albumin, diuresis, and treating the primary disease, and patients with low-protein edema should seek medical treatment in time.