Functional arrhythmia refers to the patient after examination clearly does not have coronary heart disease and other organic heart disease is mostly due to psychological factors or stay up late and other bad habits lead to arrhythmia. For this type of arrhythmia, generally is the main life conditioning. Functional arrhythmia, mainly due to mental stress, or often stay up late, drinking alcohol and other bad habits lead to arrhythmia. Therefore, the causes of functional arrhythmia should be dealt with. For example, if the arrhythmia is caused by bad habits such as staying up late or drinking alcohol, the patient should adjust his/her personal habits, reduce alcohol consumption, and avoid staying up late. If the patient has psychological problems that lead to functional arrhythmia, the patient can consult the psychological counseling department and use venlafaxine and other drugs under the guidance of a professional doctor to control the arrhythmia. Functional arrhythmia patients, usually must develop good habits. If necessary, they should be treated with medication under the guidance of a doctor.