Coenzyme Q10 is coenzyme Q10, atrial fibrillation can eat coenzyme Q10, but atrial fibrillation up to not have a therapeutic effect. Coenzyme Q10 has a protective effect on ischemic myocardium, is conducive to anti-heart failure, and hepatoprotective effect, can be used for cardiovascular diseases, such as chronic cardiac insufficiency, viral myocarditis, viral hepatitis, subacute hepatic necrosis, chronic active hepatitis. This product can be seen in loss of appetite, stomach upset, diarrhea, nausea, palpitations, skin rash and other adverse reactions. It is forbidden for those who are allergic to this product. Therefore, people with atrial fibrillation can take coenzyme Q10. However, the treatment of atrial fibrillation is mainly to reset the rhythm and control the ventricular rate, and coenzyme Q10 does not have this effect. Atrial fibrillation should be standardized under the guidance of a doctor to avoid aggravating the condition.