There is no absolute contraindication to the use of atrial fibrillation, but it is necessary to use the drug according to the guidance of the doctor. Atrial fibrillation is a common type of persistent arrhythmia, which can be induced by coronary heart disease, rheumatism, pulmonary insufficiency, etc., and the probability of occurrence increases with age. It can be treated by treating the primary heart disease and surgery. There is no absolute contraindication to the use of drugs for atrial fibrillation, but the use of drugs should be based on the guidance of the doctor to avoid adverse reactions or delays in the condition. Atrial fibrillation can be treated with antiarrhythmic drugs such as lidocaine and quinidine, but it should be noted that these drugs may cause drowsiness, muscle tremor, nausea and vomiting, and are contraindicated in patients with allergies and severe heart block. If you are diagnosed with atrial fibrillation, you should follow the doctor’s treatment plan, and the use of drugs and contraindications should be based on the specific conditions of the physician’s guidance.