Educating children in this millennial era is the biggest challenge for parents, today's sophistication of technology enables children to access many things from smartphones, and this makes most children experience smartphone addiction (smartphone addiction). This research wants to find new phenomena related to parenting style for smartphone addiction in early childhood. This study uses a qualitative descriptive method, where data is obtained through observation, interviews, field notes, and documentation. This research was conducted at RA As-Sholiha Medan. Field findings show that children who experience smartphone addiction are caused by inconsistent (permissive) parenting, parents are busy working, care given to others (daycare, babysitters, etc.), as well as parents' reluctance. if the child is already crying. Another finding in this study is that there is a positive impact on children, they are quick to understand new things about colors, shapes, sizes, Islamic songs, and so on.