本文以生物学科为例,从教师和学生双向角度,取样了十位绵阳中学生物教师和二十位绵阳中学学生,采用访谈法及课堂观察法来进行研究,探讨中学师生信息行为,归纳出外在内在两类十九种信息来源、师生本身及教学情境两类信息行为促发因素、学生喜欢的课堂信息呈现方式。研究结果对教师及网站和图书馆有一定启迪意义。 Taking the biology course as an example, from the two-way perspective of teachers and students, ten Mianyang middle school biology teachers and twenty Mianyang middle school students were sampled. Interviews and classroom observation were conducted to study the information behavior of middle school teachers and students, Internally, there are two types of information sources, which are two types of information sources, teachers and students themselves and teaching situation, and students’ favorite class information presentation. The results of the research have some enlightenment implications for teachers, websites and libraries.