Elderly people with swollen feet are usually associated with inflammation, lower limb blood circulation disorders, cardiac and renal insufficiency, etc. According to the cause and severity of the disease, it is necessary to choose a program to reduce swelling, such as physical therapy, medication, etc., and if necessary, surgical treatment. 1. Inflammation: swollen feet of the elderly may be associated with the presence of foot fasciitis, etc., and can be considered through magnetic heat therapy and other methods of treatment, but also with the ultrashort wave method of treatment, which helps to promote blood circulation to eliminate inflammation, so as to achieve the purpose of reducing swelling. If accompanied by pain, oral non-steroidal anti-inflammatory drugs, such as diclofenac sodium, ibuprofen and other drugs as prescribed by the doctor. 2. Lower extremity blood circulation disorders: such as lower extremity arterial thrombosis, etc., can lead to swelling of the feet of the elderly, need to give anticoagulation, thrombolysis and other treatments for the primary disease. Commonly used drugs are warfarin, urokinase, low molecular heparin sodium and so on. Surgery and interventional therapy are needed when necessary. 3. Cardiac and renal insufficiency: elderly people with cardiac insufficiency, renal insufficiency and other underlying diseases can cause symptoms of swollen feet. Treatment is needed to address the primary cause. Symptomatic furosemide and other diuretics can be given to relieve swelling. Usually pay attention to avoid sitting and standing for a long time, otherwise it is easy to lead to the aggravation of the symptoms of swelling, and pay attention to elevate the feet when sleeping at night, the specific treatment needs to be carried out under the guidance of a professional physician.