This paper explains in detail the diverse influence of digital media on the overall development of a child. The work is structured in a series of chapters, each of them is focused on a specific development area. In the chapter dedicated to physical and motor development, it is investigated how digital devices and screens affect physical activity, the development of fine motor skills, and sleeping and feeding habits. Socio-emotional development is crucially considered in the third chapter, where it is described how digital media influence emotional reactions, behavior and the effects of consumer socialization of children are described. The fourth chapter, devoted to cognitive development, explores how digital content promotes or limits children's cognitive abilities, including comprehension, logical thinking, and problem-solving abilities. Educational aspects of digital media are also analyzed. The fifth chapter examines how digital content can influence speech development. It also deals with issues related to the quality of media content and their role in encouraging language development. Creativity and creativity are the topic of the sixth chapter, how digital media can encourage or limit a child's creativity and the development of creative skills. In the seventh chapter, the role of parents is emphasized and strategies for responsible parenting in the digital age are discussed. In the last, eighth chapter, the role of educators in the modern digital environment is described. Through the analysis of these different developmental aspects, this paper provides an understanding of how digital media shape the overall development of a child and encourages reflection on the need for a balanced and conscious use of digital media in order to support optimal child development.