Objective: To explore the association of mobile phone addiction with personality and affect in college students. Methods: Totally 359 college students were selected and asked to complete the Eysenck personality questionnaire short scale for Chinese, the positive and negative affective scale, and the mobile phone addiction scale. Results: There were no significant differences between genders, majors and birthplaces. There were significantly positive correlations among neurotic personality, negative affect and mobile phone addiction. Negative ...