INTRODUCTION: Childhood obesity is characterized as an excess of body fat that causes health problems. Therefore, it is essential to analyze the influence of the Covid-19 pandemic on the increase in pediatric obesity. OBJECTIVE: To identify the influence of the implications of the Covid-19 pandemic on the increase in obesity among children, relating it to changes in lifestyle and food consumption resulting from social isolation. METHODOLOGY: This work is a bibliographical review. Firstly, a bibliographical search was carried out in the SCIELO, VHL, Periódicos Capes and ResearchGate databases. The second stage was the careful analysis of the work. RESULTS AND DISCUSSION: Based on research, an increase in childhood obesity was observed during the pandemic period. Therefore, child health care must be intensified. CONCLUSION: Given the above, it is concluded that the implications of the Covid-19 pandemic influenced the increase in pediatric obesity in Brazil.