From the examination of relationship between the reported amounts consumed at breakfast and BMI for men and women in 1976, 1986, and 2005. men found that small size of every years had a high BMI. Especially, in 2005 had a more BMI value than another year. but amount of Moderate size and large size of every years had a decrease BMI but in 2005 , amount of moderate and large size had a higher BMI than another year.