Using questionnaire, this study aimed to understand current novice elementary teachers’ beliefs about teaching and their performances in effective teaching, and to investigate the relations among novice teachers’ teaching beliefs and their performances in effective teaching. Novice elementary teachers in Taipei City and Taipei County were administered questionnaires in this study. Four hundred and ten questionnaires were returned. MANOVA, correlations, and canonical correlations were used for data analysis. This study found some important conclusions. First, some differences in beliefs about teaching had been found between novice male teachers and novice female teachers, and novice female teachers’ performances in effective teaching is better. Second, beliefs about teaching were positive correlated to performances in effective teaching, The dimension of effectiveness belief about teaching was more closely related to performance in effective teaching. Third, the dimension of beliefs about teaching can predict 13% to 19% of the variation in performances in effective teaching. The dimension of “effectiveness belief” about teaching has a stronger predictive effect. Suggestions for the study of teacher education are provided in the conclusions.