Usually there are several factors for swelling of hands and feet as follows: First, the most common factor is sodium and water retention, which is caused by the weakening of metabolic function and circulatory function. Common factors include chronic heart failure and chronic renal failure, which will cause water to accumulate in the periphery, such as the hands and the feet, and lead to swelling of hands and feet. Second, endocrine diseases, common hypothyroidism, adrenocortical insufficiency, will also appear hands and feet bloating. Third, in the common low basal metabolic rate of the immune system diseases, there will also be swelling of the hands and feet, such as rheumatoid arthritis, rheumatoid arthritis, anemia, immunity to reduce the disease, such as dermatomyositis, systemic lupus erythematosus, and so on, there will also be swelling of the hands and feet.