Swollen feet every afternoon are generally caused by poor blood flow in the veins of the lower extremities. If there is no other discomfort, you can lie down and elevate both lower extremities appropriately to improve the symptoms of swollen feet. Varicose veins can also lead to swelling of the lower limbs especially the feet, the symptoms can be taken orally if the symptoms are light, after the drug can not be relieved can be surgical treatment of varicose veins, the main thing is to strip the tortuous and loss of function of the blood vessels, post-operative prevention of infection can be. Middle-aged and elderly people with long-term heart disease, if the foot edema is mostly caused by heart failure, suggesting a new development of the disease, the general treatment is to strengthen the heart, diuretic, combined with the treatment of the original disease. Cardiac strengthening can be chosen from digoxin and cidilan, diuretic drugs can be chosen from hydrochlorothiazide and tachyphylaxis, and salt intake should be reduced during treatment to help improve the efficacy.