This presentation focuses on the escalating trend of childhood obesity in Spain, which has one of the highest prevalence rates in Europe. The presentation highlights the issue's impact on children's health, linking it to chronic diseases and social challenges. It justifies the choice of childhood obesity as a critical public health concern, emphasizing its connection to economic factors and family environments. The presentation reviews existing interventions, such as advertisement regulations and government initiatives, and proposes advocacy through a letter to the Ministry of Health and Education. This approach aims to address maternal education, social media influence, and school nutrition, offering detailed actions and justification. The presentation concludes with contact information for relevant ministries and a comprehensive reference list.