Patients with swollen legs should choose to go to the Emergency Department, Vascular Surgery, Cardiovascular Medicine, Infectious Diseases, Nephrology, and Gastroenterology in conjunction with their other symptoms. For severe or rapid edema of the lower limbs, accompanied by high fever, chills, blurred consciousness, dyspnea, severe pain and other critical illnesses, emergency calls should be made immediately and emergency treatment should be carried out. For symptoms such as lower limb soreness, local skin redness, swelling, oozing, ulcers, etc., and suspicion of varicose veins of the saphenous vein, venous occlusive disease, phlebitis, venous thrombosis, etc., you should go to the vascular surgery department for consultation. For symptoms such as palpitations, chest tightness, chest pain, decreased activity tolerance, dyspnea, etc., and suspected coronary artery disease, heart failure, pulmonary heart disease, cardiac valvular disease, etc., the patient should go to the Department of Cardiovascular Surgery. For symptoms such as fever, arthralgia, headache, enlarged testicles and scrotum, swollen and painful lymph nodes, etc., and suspicion of parasitic diseases such as filariasis, one should go to the Department of Infectious Diseases. For symptoms such as fever, frequent urination, discomfort in urination, pain in the lower back, etc., and suspicion of pyelonephritis, chronic nephritis, hydronephrosis, etc., the patient should go to the nephrology department. Patients with symptoms such as abdominal discomfort, loss of appetite, abdominal distension, jaundice, malnutrition, etc., who are suspected of having cirrhosis of the liver, hepatocellular carcinoma, mesenteric lymphosarcoma, etc., should go to the Department of Gastroenterology for consultation. Patients should choose the appropriate department according to their conditions and follow the doctor’s instructions for appropriate treatment.