It is not normal to have premature beats after stent placement. Premature beats are caused by premature impulses from an ectopic pacing point, and the main symptoms will be palpitations, a feeling of cardiac arrest, chest tightness, and fatigue. Normally after having stent surgery, patients do not experience premature beats. After having stent surgery, if the patient is nervous, overworked, etc., it may lead to premature beats. Moreover, after stent surgery, patients need to apply anticoagulant drugs for a long time, such as aspirin, poliovirus, warfarin, etc. Some patients may suffer from sinus node dysfunction due to drug stimulation, which may lead to premature beats. Premature beats after stenting can not be treated privately to avoid improper treatment. Patients need to go to the hospital, the doctor will combine the cause of targeted treatment.