The following are common causes of sore legs after drinking: First, the direct stimulation of alcohol and its metabolites, alcohol itself and the products of liver metabolism, will stimulate the muscles to produce the corresponding soreness and discomfort. Second, in the early stages of drinking alcohol will lead to local vasodilation, increased blood flow, in the later stages will lead to vasoconstriction, blood flow back to be restricted by the accumulation of local metabolites, resulting in irritating soreness and discomfort. Third, after drinking alcohol nerve excitability and limb excitability increased, the activity will become more, local due to poor blood circulation, after more activity muscle excess metabolites can not be excreted, will also lead to the symptoms of leg acidity. Fourth, if the patient has a history of gout, after drinking alcohol will lead to an abnormal increase in blood uric acid, will stimulate the emergence of unpleasant feelings of acidity and swelling.