Swelling of the feet after drinking alcohol, commonly due to vasodilatation, and aggravation of the original disease and other reasons, as follows: First, vasodilatation: drinking alcohol will make the whole body vasodilatation, including lower limb vasculature, the blood in the veins will be increased, resulting in short-term symptoms of swelling of the feet. Elevate the affected limbs, and drink a lot of water to promote urination, reduce alcohol stimulation, can make the diameter of blood vessels back to normal, foot swelling will disappear completely. Second, aggravate the original disease: the patient suffers from serious internal diseases, such as renal insufficiency, cardiac insufficiency, drinking alcohol will aggravate the lesions, so that the lower limbs appear serious bruising, resulting in swelling of the feet. At the same time, there will be lesions in the primary area, such as chest tightness, shortness of breath, panic, and pain in the lower back. By treating the primary disease can make the symptoms of leg and foot swelling, get complete relief. You should also pay attention to protect your body from excessive alcohol consumption, which may have serious adverse consequences.