在中学生命科学学科的实验教学中,野外调查类实验有独特的价值,但教师在教学过程中会遇到一些难题:组织麻烦,需要一定设备保障;内容复杂,教师的已有知识有时难以应对;活动耗时长,野外环境难控制。针对这类实验的特点,本文提出若干操作建议,涵盖教学前的准备、教学中的组织和教学后的总结。 In the experiment teaching of life science discipline in secondary school, field investigation experiment has unique value, but teachers will encounter some problems in the process of teaching: organizing troubles requires certain equipment protection; the content is complex and teachers' existing knowledge is sometimes difficult to cope with Activities take time and the outdoor environment is difficult to control. In view of the characteristics of this kind of experiment, this article puts forward some operational suggestions, covering pre-teaching preparation, teaching organization and teaching summary.