Anemia has a variable impact on physical development and children show poor attentiveness, memory and academic performance. Children who suffer from anemia have delayed psychomotor development and impaired performance. Hence, due to absence of recent and comprehensive systemic review about prevalence of anemia in school-age children in our region. And also in order to understand and explain the differences in various studies with age, sex, residence, and study period. The present study was planned to study the prevalence of anaemia in the selected population. The 320 children’s admitted to paediatric department in, NMCH Patna from Jan 2018 to July 2018 was registered in the present study. From that 24 Childs were found anaemic. The children’s in the age group of not less than 6 months and up to the 12 years of age were considered for the study. All the patients were informed consents. The aim and the objective of the present study were conveyed to them. Approval of the institutional ethical committee was taken prior to conduct of this study. The problem of Anemia, especially mild and moderate Anemia is common among the children in Bihar region. Thus, adequate intervention should be designed by policy makers, health care community, and researcher to alleviate the problem. Weekly iron supplementation for school children considered for primary schools. Fortification of foods is another strategy which could be considered for preventing iron deficiency among.