笔者分析了专业数学教师所需要的专业知识和专业能力,总结出数学教师专业发展的根本途径──只有积极研究,勤于反思,乐于交流,善于学习的数学教师才能成为专业的数学教师。 The author analyzes the professional knowledge and professional abilities needed by professional mathematics teachers and sums up the fundamental way of mathematics teachers’ professional development ── Only math teachers who actively study, diligent in reflection, are willing to communicate and are good at learning can become professional math teachers.