Children without allergies can take coenzyme q10, but it is necessary to use the drug under the guidance of a doctor, to clarify the indications, strictly follow the precautions for the use of the drug and so on, to ensure the safety of children’s medication. Coenzyme q10 belongs to fat-soluble quinone compounds, with certain functions of promoting oxidative phosphorylation reactions and protecting the structural integrity of biological membranes. It is a drug that nourishes the myocardium and improves myocardial metabolism, and is mainly applied to viral myocarditis, cardiac insufficiency, viral hepatitis, chronic active hepatitis and other diseases. Coenzyme q10 is contraindicated for people who are allergic to this product, for children with medication can be reasonably applied under the guidance of a doctor to avoid blind use of medication, strict control of the dose of the drug, the course of treatment, adverse reactions and precautions, etc., to ensure that the child’s therapeutic safety.