Ten days after the oval foramen occludens occlusion blockage surgery, frequent premature beats, need to immediately review the 24-hour dynamic electrocardiogram, to clarify the situation of premature beats, need to test electrolytes, repeat cardiac ultrasound, if the heart structure and function are normal, it is recommended to give medication for premature beats. If the patient has minor myocardial injury during the surgery, it may cause unstable electrical activity and premature beats. Ten days after the operation, generally the surgical stimulus has disappeared, the diet is normal, and electrolyte disorders are less likely. Therefore, at this time, if the electrolyte test is normal and the cardiac ultrasound is normal, it is recommended to test the thyroid function, if the result is also normal, it is necessary to consider whether there are reasons such as poor rest and anxiety, which are also the triggers of premature beats, and it is necessary to pay attention to avoiding them. According to the results of 24-hour dynamic electrocardiogram, anti-arrhythmic drug treatment, which requires formal consultation in the cardiology department to guide the treatment.