Parents of children who use gadgets in Bumi Asri Housing stated that elementary school children are already able to use gadgets. They use the gadgets to operate game applications andentertainment facilities such as watching YouTube, TikTok and others. These children often use their gadgets without parental supervision which results in forgetting the time playing gadgets. Because, they can spend 6-8 hours a day playing gadgets. SampleTechnique: The technique used to take samples is the simple random sampling technique, the number of samples is 106 respondents at preschool age. Results: The results of the study showed that 106 respondents contained 45 (42.5%) respondents use gadgets well. Based on the dependent variable of emotional development from 106 respondents, there are 48 (45.3%) respondents who have normal emotional development. Based on social development, there are 57 (53.8%) respondents who have good social development. In the Spearman rank statistical test, the p-value result is 0.00 (<0.05). Conclusion:There is a relationship between gadget use and emotional and social development in preschool children. Further research will examine the influence of maternal independence inmaximizing the development of the social sector of preschool children.