This research is to study on what condition kids watch cartoon. The objectives of this study are: 1. to understand the relationship between the personal characteristics and the watch cartoon behavior of kids, 2. to understand the relationship between the family background and the watch cartoon behavior of kids, 3. to understand the relationship between the environment factors and the watch cartoon behavior of kids. This study distributes 480 copies of questionnaire and the 440 of them are valid. The valid repondance rate is 91.7%. This study finds that: 1. kids' personal characteristics influence their watch cartoon behavior, 2. kids' family background influence their watch cartoon behavior, 3. kids' environment factors influence their watch cartoon behavior. Based on the above findings, this study makes suggestions to kids' family school and the future researchers.