笔者是一位生物教师。笔者认为,在生物教学中渗透德育,实现生物学德育目标,就必须对教材进行充分挖掘。现以北京师范大学出版社出版的义务教育课程标准实验教科书《生物学》(八年级)上册第20章“生物的遗传和变异”为例,谈谈笔者在生物学教学中挖掘教材,进行德育渗透的一些体会 The author is a biology teacher. The author believes that in order to penetrate moral education in biology teaching and achieve the goal of biological moral education, we must fully tap the teaching materials. Take the 20th chapter of Biology (Grade 8), the textbook of compulsory education curriculum standard published by Beijing Normal University Press, “Inheritance and Variation of Organisms” as an example. Let’s talk about the author’s excavation of teaching materials and moral education in biology teaching. Some experiences with infiltration