PBL的理念主要特点:问题是学习的起点和依托;学生小组活动是学习的关键和核心;教师的角色是问题的创设、问题解决过程中的指导者或引导者、活动的评价者。在大学英语教学中采用这一理念,能更好地促进学习效率,提供学生英语的综合能力。 The main features of PBL are as follows: the problem is the starting point and backing of learning; the student group activity is the key and core of learning; the teacher’s role is the creation of the problem, the mentor or leader of the problem solving process, and the evaluator of the activity. Adopting this concept in college English teaching can better promote learning efficiency and provide comprehensive ability of students’ English.