Elderly people with swollen feet need to identify the causes, not blindly massage. Common causes are physiological edema, age-related edema, edema caused by disease factors. 1. Physiological edema: due to long time standing or walking, the venous return of the lower leg can be blocked and foot swelling occurs. Swelling can be relieved by massaging legs, ankles and feet. 2. Age-related edema: also known as senile edema. Swelling of the legs occurs in the elderly due to poor blood circulation as a result of aging. Excluding pathological factors of foot swelling can be relieved by massage therapy. 3. Disease factors caused by edema: such as cardiogenic edema, renal edema, etc., at this time it is not recommended to blindly massage, the need for specific causes for treatment. Elderly leg swelling causes more, it is recommended to consult a doctor in a timely manner, improve the examination to clarify the cause of the disease in the doctor’s guidance to take therapeutic measures.