Puffy feet in the elderly, can be seen in a variety of reasons, generally common in the following reasons: 1, heart failure, patients in addition to swelling of the feet, but also accompanied by panic, chest tightness, chest pain, wheezing, dyspnea and other symptoms. 2, renal failure, patients in addition to swelling of the feet, and face, eyelid edema, may be accompanied by proteinuria, hematuria, anemia, fatigue, nausea, nausea, and other symptoms. 3, hypoalimentary. In addition to double lower extremity edema, the patient may also have multiple parts of the body with low hanging edema, accompanied by hypoproteinemia. 4, hypothyroidism, the patient in addition to double foot edema, there are multiple parts of the body with edema, which is non-sagittal, and the diagnosis of hypothyroidism can be confirmed by the measurement of the function of the thyroid gland. 5, vascular origin, this kind of patient is mostly seen in the edema of the double lower extremity or asymmetric, and the characteristics of morning and evening weight are light, the vascular ultrasound can see that there is vascular arteriosclerosis. 6, vascular origin. Color ultrasound can see that there are blood vessel arteriosclerosis or even deep vein thrombosis, and the localized edema can have redness, swelling, heat and pain.