This literature review was compiled according to the data of search engines PubMed, eLIBRARY.RU, Google Scholar using key words influenza, cytokines, children. The article highlights the participation of pro-inflammatory and antiinflammatory cytokines in the pathogenesis of influenza, compares the cytokine profile in different strains of the virus, with concomitant pathology, as well as attempts to find an answer to the question: “Why are young children more susceptible to this infection?” The article contains information about the creation of express systems for diagnosing cytokine storm in patients with influenza and other acute respiratory viral infections, taking into account a complex of clinical and laboratory data that comes to the aid of a practicing physician. It should be noted that there are different opinions among authors regarding the early markers of severe and complicated influenza in childhood. This information makes the topic of studying the significance of cytokines in influenza in children relevant, but it requires continuation and clarification of knowledge on this issue.