The purpose of this study is to make clear a comprehensive relationship between serum cholinesterase activity and the dietary of foods. These figures are taken from 84 young healthy male student. The results of the survey were as follows: 1) There were statistically significant correlation between serum cholinesterase activity and energy intake (r=0.281, Y=1723 + 0.47X). 2) Factor analysis showed that high serum cholinesterase activity group was modern food habits.It is possible to conclude from the results that serum cholinesterase activity was affected by nutrient intake.
