This study evaluated the stability of child temperament by using the Korea Child Panel data(2008-2012), and identifying predictors that might influence on the change and the level of developmental trajectories. The latent growth curve model was used to examine the child temperament from 0 to 4 year olds. As a result, the emotionality and activity showed a nonlinear change, first increasing and then decreasing as the age increased. The predictors, influenced on the emotionality and sociability of young children were birth order and maternal parenting style. The predictors, influenced on the activity were gender, birth order, and maternal parenting style.