Implicit Association Test and Explicit Attitude to Emotion Regulation Questionnaire were used to test the development of implicit and explicit attitude to emotion regulation on adolescence. The results showed that: (1) The implicit attitude to emotion regulation becomes more negative with age; (2) The explicit attitude to emotion regulation keeps steady with age, and females hold more positive explicit attitude to emotion regulation than males; (3) Implicit attitude to emotion regulation is positively related with explicit attitude to emotion regulation. Implicit and explicit attitude to emotion regulation show different developmental features.