一知教材。要认真学习和研究教学大纲,了解教学的内容和程序,研究教材的性质特点和技术结构,学习新的知识和技术,不断充实和更新教学内容。二知学生。要深入了解学生的思想状况、体质基础、心理特征。三知教学方法。要弄清各种教法的优劣得失。不仅要考虑教法,而且要考虑学法。 A textbook. It is necessary to conscientiously study and study the syllabus, understand the contents and procedures of teaching, study the nature and characteristics of teaching materials and technical structures, learn new knowledge and techniques, and constantly enrich and update the teaching contents. Second known students. To understand the student’s ideological status, physical basis, psychological characteristics. Three known teaching methods. To find out the pros and cons of various teachings. Not only to consider teaching, but also to consider learning law.