Smartphones are now experiencing rapid development; the primary function of mobile phones was created to facilitate communication. Then develop complete with various facilities like computers, making it easier and faster for humans to carry out all their activities. Everyone can easily use, including children, adults and parents, wherever and whenever they are. Information technology such as smartphones does have a positive impact; the other side has a negative effect, if not addressed wisely. Mobile phones that are misused can cause various problems such as addiction, physical and mental health disorders. If this is experienced by early childhood, it can disrupt the growth of children, both physically, emotionally and socially. Overcoming the negative impact of smartphones on early childhood, parenting books are needed for their parents. The book contains a guide to teach, limit the use of a good smartphone, to avoid the danger posed. This study uses a qualitative methodology with data collection techniques through observation, interviews, literature study. The results of this study are a parenting book for parents to educate their children to use smartphones wisely and well.
Keywords: early childhood, smartphone, book design