三角形是平面几何学习中至关重要的组成部分.在解答三角形几何题目的过程中,添加辅助线是一种常用的方法.在运用这种方法解答几何问题时,也需要讲究一定的技巧.教师通过对学生添辅助线解题技巧的训练和指导,可以让学生掌握这种行之有效的方法,准确顺利找到解题的突破口,提高学生解答几何题的效率. Triangles are a crucial part of Plane Geometry Learning. Adding guidelines is a common way of answering questions about the geometry of triangles, and there is a certain skill to use when it comes to solving geometry problems. Students through the auxiliary line solving skills training and guidance, can allow students to master this effective method to accurately and smoothly find a solution to the problem of breach, to improve the efficiency of students to answer geometry questions.