In most cases, if there is swelling of the face and legs, you can hang up with nephrology, cardiology, endocrinology, but also general medicine and general medicine. In the case of hypoproteinemia, edema and weakness due to kidney disease, you can consult the nephrology department. Patients with heart failure and chronic heart disease who have edema of the face and legs can register in the cardiology department. For patients with chronic thyroid disease who have edema of the face and legs, they can register at the Department of Endocrinology. If you do not know the cause of edema in some hospitals, you can register at the general medicine department and the general medicine department. In addition, if the results of the above tests are normal, you can go to the internal medicine department of the hospital for a review to see if there is idiopathic edema. When edema occurs, seek medical attention for appropriate tests, and consult the hospital receptionist for help before registering.