1, patients should pay attention to the combination of work and rest, regular life; maintain an optimistic and stable mood; quit smoking and drinking, avoid intake of stimulating food such as coffee, strong tea, etc., avoid full meals. 2, patients with a history of syncope should avoid dangerous work such as driving and working at height, and lie down immediately when there is dizziness and darkness, so as not to fall when syncope strikes. Patients with bradycardia should avoid holding their breath when defecating, so as not to excite the vagus nerve and aggravate bradycardia. 4, should continue to take anti-arrhythmic drugs, do not reduce the dosage or change the medication without authorization, patients should learn to observe the efficacy of drugs and adverse reactions, if there are abnormalities should promptly seek medical advice. 5.Patients should learn how to take their own pulse to facilitate self-monitoring, and their family members should learn CPR for emergency use.