The etiology of arrhythmia is unclear and may be related to disease, diet, lifestyle, mental health and other factors. Disease factors: These include endocrine and metabolic factors, such as hyperthyroidism and electrolyte disorders; cardiovascular diseases, such as hypertension, coronary artery disease, myocarditis, etc., which can also induce arrhythmia. Dietary factors: such as intake of coffee or strong tea can lead to arrhythmia. Lifestyle habits: such as lack of sleep and poor exercise regimen can also lead to arrhythmia. Mental health factors: such as prolonged periods of stress and anxiety can lead to arrhythmia. When arrhythmia occurs, you should seek medical attention, and individuals should not blindly use medication to avoid adverse consequences.