生物学科是一门自然学科,该学科的知识具有综合性与开放性之特点。高中生物教学是高中阶段教育内容的重要组成,是提升学生综合素养的必备科目。在当前高中新课改背景下,高中生物教学要想取得一定的教学成果,需不断补充完善课本知识,做好知识的延伸,通过补充课外知识来扩大学生视野,增加知识量,以课外知识促进学生对课内知识的理解和内化。对此,本文探讨了课外知识在高中生物教学中应用的意义,并提出了相关应用策略,以供参考。 Biology is a natural discipline whose knowledge is comprehensive and open. High school biology teaching is an important part of the content of high school education, is to enhance the overall quality of students essential subjects. Under the background of the current new curriculum reform in senior high school, in order to obtain some teaching achievements, biology teaching in senior high schools needs to supplement and improve the knowledge of textbooks, extend the knowledge continuously, expand the students’ horizons, increase the amount of knowledge through supplementary extracurricular knowledge, Students’ understanding and internalization of knowledge in class. In this regard, this article explores the significance of extra-curricular knowledge in high school biology teaching, and put forward relevant application strategies for reference.