Atrial fibrillation is not a contraindication to the new crown vaccine, but whether it is suitable for the vaccine or need a doctor to determine the condition, if the condition is stable can play the vaccine, if the recent condition is unstable, the need for urgent treatment, or first treatment of the disease, the vaccine can be put on hold. Atrial fibrillation, most of the patients are long-term or occasional attacks, the condition is generally not very serious, so for most patients with atrial fibrillation can play the new crown vaccine. However, some patients with atrial fibrillation may be due to severe heart failure or acute myocardial infarction, in this case, in the acute stage of the disease to suspend the new crown vaccine, the first treatment of the disease is the main focus, to be stabilized after the condition and then let the doctor to assess, the new crown vaccine at a later date. If you are not sure whether you are suitable for the vaccine, you can consult a medical professional at a hospital or vaccination center.