Heart failure can take coenzyme q10. Coenzyme q10 can play a protective role for the myocardium in ischemia after taking it, and it can also increase the blood output of the heart, thus reducing the resistance of the peripheral blood vessels, patients with heart failure can take coenzyme q10. The drug may appear after taking the loss of appetite, nausea, diarrhea, panic and other discomforts; allergic to the components of the drug is prohibited, and in the process of using the drug need to pay attention to observation, any discomfort, should immediately stop the drug and consult a doctor; and pregnant women and lactating women and other special groups, need to be under the guidance of a doctor to use the drug. The above medication should be used under the guidance of a doctor, avoid self-medication, so as not to cause adverse consequences.