圆锥曲线在全国各省市高考数学试题中占据着非常重要的地位,是高考数学必考知识点,也是重点、难点和热点内容.这类考题一般以椭圆、双曲线、抛物线为载体,与直线、向量、圆、不等式等知识融合,数形结合的思想、方程思想、分类讨论思想渗透其中.考查学生对高中数学知识的理解和掌握,同时考查学生的计算能力和耐心,培养学生数学思 Conic curve in the provinces and cities nationwide math test occupies a very important position, is the college entrance examination math knowledge points, but also the key, difficult and hot content. Such questions generally elliptic, hyperbola, parabola as the carrier, and the straight line, Vector, circle, inequality and other knowledge fusion, the combination of the number of ideas, the idea of ​​equation, the classification of thinking to penetrate them.Examine the students understanding and mastery of high school mathematics knowledge, at the same time to examine students’ computing power and patience, to develop students mathematical thinking