Abstract: Children's medication has been one of the hot topics of public concern in recent years. Encouraging research and development of pediatric drugs, promoting technological innovation in pediatric pharmacy, and strengthening monitoring and management of pediatric medication are crucial for improving the quality of pediatric medical care and ensuring the safety of pediatric medication. In order to improve the level of rational drug use in children, lead the innovation of pediatric pharmacy technology, and assist in the high-quality development of pediatric pharmacy, this issue launches the "Children's Drug Research" column, which explores in depth from 4 major theme columns: "Children's Pharmacovigilance" "Frontier Technologies in Children's Drug Research" "Clinical Evaluation of Children's Drugs" and "Review". The aim is to provide references for clinical practice and technical application, and research ideas expansion for peers in the field of children's drug research, and to provide new ideas, technologies, and methods for promoting rational drug use in children and advancing children's drug research.