Coenzyme Q10 is a fat-soluble antioxidant and non-specific immune enhancer, and also has a certain hepatoprotective effect. Because of its antioxidant effect, coenzyme Q10 can prevent the formation of atherosclerosis, so it is clinically used in cardiovascular diseases, and has a certain protective and nutritional effect on ischemic myocardium. Because it also has a non-specific enhancement of immunity, clinically also used in cancer patients after radiotherapy, can to a certain extent reduce some of the adverse effects caused by radiotherapy. Some people may experience loss of appetite, nausea, diarrhea, palpitations and other discomforts during the use of this drug. Coenzyme Q10 should be used under medical supervision.