Perinatal infections occupy a leading place among the causes of neonatal morbidity, maternal and perinatal mortality. Infections are among the main causes of termination of pregnancy and premature birth. The practical recommendations presented in the work are intended for doctors of obstetric institutions in order to make a clinical diagnosis of an infection specific to the perinatal period, the tactics of examination and treatment of newborn children. The clinical recommendations correspond to the latest scientific data on the topic, contain information that is applied to the practical activities of a neonatologist, intensive care specialist and pediatrician. These clinical recommendations contain information about infections specific to the perinatal period, including the definition, frequency of occurrence, etiology of infections, pathogenetic mechanisms of disease development Numerous high-risk factors for infection of the fetus and newborn are described in detail. The document discusses and proposes the classification of the disease, the criteria for the adoption of the diagnosis. The features of the clinical picture of the disease are described, it is noted that the inflammatory process in a newborn child can be localized in any organ or acquire a systemic (generalized) character, in some cases, the ingress of an infectious agent into a macroorganism is not necessarily accompanied by clinical manifestations, which indicates an asymptomatic or subclinical course of infection. The recommendations provide advanced laboratory and instrumental diagnostics. The stages of treatment are described, including the choice and correction of antibacterial therapy, taking into account the peculiarities of the mother’s anamnesis, the child’s gestation period and the etiology of the disease. These clinical recommendations have been prepared taking into account the level of credibility of the recommendations and the level of reliability of the evidence.These practical recommendations are offered for public discussion and are posted in full on the website of the Ministry of Health of the Russian Federation.