基于问题的学习(PBL)教学模式是以问题为基础、以学生为中心、以小组为单位的自我导向式学习。该模式于1969年由美国神经病学教授Howard-Barrows在加拿大McM aster大学首创,随后迅速在世界各国推广[1]。我国于1986年起将该模式引入医学教育,逐渐由本科院校向其他学校推广,取得良好效果。与我国传统医学教育模式基于授课的学习(LBL)相比,PBL教学模式更重视学习者的创造性思维能力、继续学 Problem-based learning (PBL) is a problem-based, student-centered, self-directed learning group. This model was first introduced by Howard-Barrows, a professor of neurology in the United States, at McMaster University in Canada in 1969, and was rapidly promoted throughout the world [1]. Since 1986, this model has been introduced into medical education in our country and gradually popularized by other undergraduates to other schools with good results. Compared with the LBL based on the traditional medical education model in our country, the PBL teaching model places more emphasis on the creative thinking ability of learners and continues to learn