知识经济时代已经到来 ,教育必须改革。生物学课件逐步进入课堂是当前生物学教学改革的一个突破口 ,也是促进现代教育技术应用和普及 ,实现教育信息化、现代化的关键。笔者以中师生物学教材为依据 ,制作了“根的吸收作用”课件 ,充分体现了计算机辅助教学的优势 ,教学效果良好 The era of knowledge economy has arrived and education must be reformed. The gradual entry of biology courseware into the classroom is a breakthrough in the current teaching reform of biology. It is also the key to promoting the application and popularization of modern educational technology and realizing education informatization and modernization. Based on the teaching material of the teacher’s biology, the author produced a “root absorption function” courseware, which fully embodies the advantages of computer-assisted teaching, and the teaching effect is good.