Cytochrome C is a cellular respiration activating drug. It has a rapid enzymatic effect on the oxidation and reduction processes of cells in tissues. It can improve cellular respiration and increase the body’s utilization of oxygen. Cytochrome C is used clinically as an adjunctive treatment for various tissue hypoxia emergencies, such as carbon monoxide poisoning, oxycodone poisoning, cyanide poisoning, neonatal asphyxia, hypoxia during severe shock, cerebrovascular accidents, post-concussion, anesthesia, and respiratory distress caused by pulmonary diseases and treatment of myocardial hypoxia caused by various cardiac disorders. This product can cause allergic reactions, or pyrogenic reactions due to impure preparations mixed with pyrogens. It is recommended that patients undergo a drug sensitization reaction before using the drug, and those with positive results are prohibited from using it. It is recommended to take this drug reasonably under the guidance of a doctor or pharmacist.