“杨辉三角”是我国古代数学著名的研究成果之一,它蕴含了深刻的数学思想和丰富的内涵,它的发现比法国数学家帕斯卡（Ｐａｓｃａｌ）要早５００多年．因此,杨辉三角是一篇集思想性、科学性和趣味性为一体的不可多得的研究性学习题材．为了更好地发挥该课题的教学功能,笔者引导 “Yang Hui Triangle” is one of the famous research achievements of ancient Chinese mathematics. It contains profound mathematical ideas and rich connotations. Its discovery is more than 500 years earlier than the French mathematician Pascal. Therefore, Yang Hui Triangle is a rare research study topic that combines ideology, science and interest. In order to better play the teaching function of the subject, the author guides