Background: this study was conducted to assess the Comparison of rotary files system during root canal treatment in pediatric patients. Material and methods: A total of 50deciduous mandibular molars were divided into 2 groups at random (n = 25). ProTaperGold rotary files and Kedo-SG Blue rotary files made up groups A and B. Standardised digital radiography was taken prior to and following the instrumentation of the root canals, and the instrumentation time was recorded. Following data recording, statistical analysis of the data was performed using SPSS Software version 22.0. ANOVA and the Chi-square test with a level of significance of 0.05 were used to compare the instrumentation time and obturation quality across the groups. Results: In this study, out of 50 children, 35 were girls whereas 15 were boys aging between four and eight years.With reference to obturation quality among the three groups, 48% of teeth instrumented using ProTaper Gold, and 48% of teeth instrumented using Kedo-SG Blue rotary files displayed optimal fill. No statistically substantial variation had been noted among the 2 groups.The instrumentation time was recorded, and an ANOVA test was used to compare the three groups within themselves. This revealed a statistically significant difference between the two groups (p<0.05). Conclusion: In terms of obturation quality, the two types of rotary files performed very similarly. However, there was a discernible difference between the two rotary files in terms of how long it took to complete the procedure on deciduous teeth.