导言是生物学教学的一个重要环节,是使学生明确学习目的、学习内容,激发学习兴趣,造成学生渴望学习心理的一种手段。一个好的教学情境设计,能给课堂教学营造一种和谐的氛围,像磁铁般地将学生的注意力牢牢地吸引住,激起学生极大的学习兴趣,使学生积极参与到教学之中。本文从学生的实际出发,谈谈课堂教学中的导言设计。 Introduction is an important part of biology teaching is to make students a clear learning purpose, learning content, stimulate interest in learning, resulting in students desire to learn psychology as a means. A good teaching situation design, can create a harmonious atmosphere for classroom teaching, magnetically attract students ’attention firmly, arouse students’ great interest in learning, make students actively participate in teaching . This article, starting from the students’ actual conditions, talks about the introduction design in classroom teaching.