In elderly men with swollen feet, it is considered that the patient may have renal insufficiency, or signs of heart failure, or hypothyroidism, or may be in a cachectic state with hypoalbuminemia, and such a person may also have edema of the feet accordingly. There are also some elderly men who may be on long-term oral calcium channel blockers, or glucocorticoids, and such drugs can also trigger the appearance of such abnormal manifestations as swollen feet. If you want to further clarify the diagnosis, you can check the liver function and kidney function, as well as BNP and cardiac ultrasound to help further clarify the diagnosis, and if necessary, you can also check the thyroid function.