圆锥曲线是高中数学的重要内容,在每年的高考中都占有较大的比例,然而其中也有许多知识点容易搞混或用错,本文将一些常见的错误分类展示出来,希望同学们在复习时引起重视. Conical curve is an important content of high school mathematics, and it occupies a large proportion in the annual college entrance examination. However, there are many knowledge points that are easy to confuse or use. This article presents some common misclassifications and hopes that the students will review them. Pay attention.