直线与圆锥曲线问题一直是学生学习的难点、高考命题的热点,一方面是题目本身复杂,信息量大、字母符号多、运算过程复杂、转化思路不明显;另一方面是学生缺少明确的解题意识,面对这么多的字母符号不知如何下手,找不到方向,出现“想不到”“消不去”和“算不对”现象。因此,笔者在分析学情的基础上,总结了多年的教学经验,其中最重要的一条就是:着力提高学生解题意识,树立学生的自信心。明确的解题意识就像大海中的灯塔,能够 The problem of straight lines and conic curves has always been a difficult point for students to learn and a hot spot for college entrance examination propositions. On the one hand, the topics themselves are complicated, the information volume is large, the alphabetic symbols are numerous, the calculation process is complicated, and the transformation ideas are not obvious; on the other hand, students lack a clear solution. The question of consciousness, in the face of so many letter symbols I do not know how to start, can not find the direction, there “reconciled ” “can not eliminate ” and “count not ” phenomenon. Therefore, on the basis of analysing the academic situation, the author summarizes many years of teaching experience. One of the most important ones is to focus on improving students’ problem-solving awareness and establish their self-confidence. A clear problem-solving awareness is like a lighthouse in the sea.