Nengqilang is the trade name, the generic name of the drug is coenzyme Q10 tablets, the role of the protection of the structural integrity of biological membranes and promote oxidative phosphorylation reaction, patients should follow the doctor’s instructions for the use of drugs. Coenzyme Q10 is a fat-soluble quinone compound widely found in the human body, clinically used in cardiovascular diseases (such as chronic cardiac insufficiency, viral myocarditis, etc.), hepatitis (such as viral hepatitis, chronic active hepatitis, etc.) adjuvant therapy, but also with the comprehensive treatment of cancer, to alleviate the radiation, chemotherapy induced by some of the adverse effects. It should be noted that the use of coenzyme Q10 tablets is prohibited for those who are allergic to any component of the drug, and some patients may experience adverse reactions such as loss of appetite, nausea, palpitations, diarrhea, gastric discomfort, rash, and so on, and should consult a doctor in time if the discomfort is more serious. Patients should follow the doctor’s instructions to use coenzyme Q10 tablets, not blindly use their own medicine, so as not to affect the condition or side effects.