Panic and rapid heartbeat after drinking alcohol may be physiological reasons, such as sympathetic nerve excitability, vasodilation related, or pathological reasons, such as arrhythmia. After drinking alcohol into the human body to make the brain excited, stimulate the sympathetic nerve excitability enhancement, resulting in increased heart rate, the body will have a panic heartbeat accelerated symptoms, such as alcohol from the body metabolism elimination of the symptoms will soon be relieved. After drinking alcohol will stretch blood vessels, a large amount of blood into the peripheral circulation, the body’s central circulation back to the heart blood volume will be reduced, the heart can not guarantee the blood supply of the body’s major organs, will reflexively accelerate the heartbeat to accelerate the blood supply of other tissues and organs, and accompanied by symptoms of panic. Some patients with tachyarrhythmia, such as atrial fibrillation, induced by alcohol stimulation after drinking, will show symptoms of panic and rapid heartbeat, and even if the alcohol is metabolized and cleared by the body, the symptoms of panic and rapid heartbeat will still exist. If the symptoms of panic and rapid heartbeat persist after drinking alcohol, go to the hospital to check the cause for treatment.