南辕北辙是一个成语，原本指的是驾车往南却向北行驶，引申为不顺应事物的自然规律而违反常理。在现代语境下，也可用来形容行动与目标背道而驰。 比如:像是谈论人类伦理却做出残忍行为，或是追求健康却不注意饮食习惯等。
This article mainly takes the perspective of Ji Liang exhorting King Anli to give up attacking Handan, and tells the story of a man who was reminded by Ji Liang many times in the wrong direction, but still stubborn, leading to more and more far away from the destination.
The moral of this article is: to do anything, we must first grasp the clear direction, in order to get twice the result with half the effort, otherwise, we can only go against our wishes
南辕北辙出自唐代白居易的《赋得古原草送别》一诗中：“离离原上草，一岁一枯荣。野火烧不尽，春风吹又生。远芳侵古道，晴翠接荒城。又送王孙去，萋萋满别情。南辕北辙，归来兼不同。”
南辕和北辙都是古代车辕的名称，南辕向南，北辙向北。这句话的意思是北辙和南辕的方向正好相反。这个成语通常用来比喻行动方向与本意相反，比如说做事本意是帮助别人，结果却弄巧成拙，本末倒置的就可以用这个成语来形容。