Febrile infection-related epilepsy syndrome (FIRES) is a rare and severe epileptic encephalopathy characterized by critical illness, complex nursing requirements, the need for multidisciplinary collaboration, and high-intensity care during its acute phase. Based on a review of relevant literature and specific nursing practices, this article summarizes the latest advancements in the acute-phase care of children with FIRES. It focuses on aspects such as the management of status epilepticus, fever care, airway management, nutritional support and ketogenic diet, family support, and multidisciplinary collaboration. The aim is to provide a reference for clinical nursing practices and related research.