The etiology of arrhythmia in young people can be divided into two types, and whether it is serious or not should be analyzed specifically according to the specific etiology and should not be generalized. Early arrhythmias in young people without any symptoms or with mild symptoms, such as palpitations and sweating, can be caused by both physiological and pathological factors. If the arrhythmia is caused by exercise, emotional changes, diet, such as cold and stimulating food, it is necessary to actively improve the lifestyle, such as quit smoking, quit drinking alcohol, do not drink caffeinated beverages, as well as psychological guidance to eliminate pessimism, can be restored to normal. If the arrhythmia is caused by cardiovascular disease, drug toxicity and other pathological factors, allowing its development can lead to dizziness, darkness, syncope, or even sudden death, which can be life-threatening. It is recommended that patients should pay attention to the electrocardiogram examination in the physical examination, and actively go to cardiovascular medicine to be examined by cardiovascular physicians and undergo comprehensive treatment. When an arrhythmia is detected in a young person’s physical examination, do not blindly take medication to avoid aggravating the condition by the adverse effects caused by drugs. Encourage patients to maintain a healthy lifestyle and monitor their pulse regularly to prevent the occurrence of arrhythmias.