Parenting plays a crucial role in child development. Emotion Regulation (ER) is considered as an important ability during development since it is tightly associated with children’s future social competence and also their external and internal behaviors. This research investigation explores the profound impact of positive and negative parenting on pre-school and school age children's ER. The essay finds positive parenting, characterized by warmth, support, and consistent discipline, emerges as a crucial factor in nurturing healthier emotion regulation in pre-school children. These children exhibit greater emotional awareness and competence, fostering overall well-being and improved social interactions. Conversely, negative parenting, marked by harsh discipline and emotional neglect, obstructs emotional growth, leading to emotional dysregulation and behavioral challenges. Additionally, this paper delves into the nuances of the influence exerted by fathers and mothers on children's emotion regulation. While both parental figures play vital roles in a child's emotional development, their impact can vary due to unique parenting styles and interactions. In conclusion, this research underscores the pivotal role of positive parenting practices in cultivating robust emotion regulation skills in pre-school children. It emphasizes the necessity for parents to establish nurturing and supportive environments conducive to emotional growth and the importance of recognizing the distinct roles of fathers and mothers in shaping children's emotional development. Ultimately, comprehending the dynamics of parenting and their implications on children's emotional regulation is vital for creating a positive and nurturing environment that promotes children's well-being and emotional resilience.