Statement: A Descriptive study to assess the knowledge on impact of cell phone hazards among school going children in selected school of selected city. Objectives: To assess the knowledge on impact of cell phone hazards among hazards school going children and to find out the association between knowledge score with their selected demographic variables. Methodology: descriptive approach was used with survey design Population was 100 school going children, purposive sampling technique was used for data collection. Result: in the present study 4% people had average knowledge and 96% had good knowledge about impact of cell phone hazards.