The aim of the study was to:1-Identify the numbers and percentages of BMI levels of primary school pupils in QaraQosh city.2-Identify the differences in the numbers and percentages between males and females at one stage BMI levels.The researcher has used the descriptive method in the survey method for it is fit to study nature . The sample of the sample was (2984) male and female students from (18) primary schools with (2984) Percentage (100%) of the research community.and the main conclusions were.- In the light of the World Health Standards, the results showed that the BMI of males and females and all age groups (6-7-8-9-10-11) years.- There are differences in the numbers and percentages between the boys and girls at one stage levels of the body mass index.- The researcher recommended a number of recommendations that the greatest attention should be paid to physical education classes and to give them great importance to maintain the health and fitness of students.