The purpose of the study was to investigate the relationships between codependency and love attitude. The sample consisted of 948 college students from l3 universities in Taipei of Taiwan（424 males,524 females）. Instruments used in this study included the Chinese Codependency Assessment Tool and the Love Attitude Scale. Data obtained in this study were analyzed by one-way analysis of variance and canonical correlation analysis. Major findings were:（a）Gender differences on Codependency,（b）Gender differences on love attitude,（c）Three canonical correlations between college students´ codependency and their love attitude were conducted,（d）Results indicated that there were gender difference between college students´ codependency and their love attitude.