1、首先我们双击CAD的快捷图标，然后将该软件打开，打开CAD之后在绘图区里找到直线命令。
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2、选择直线命令将鼠标移动到绘图区里，可以看到提示我们指定直线的第一点。
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3、我们使用鼠标左键在绘图区里指定第一点，然后移动鼠标左键提示我们指定直线的下一点。
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4、我们点击鼠标左键，可以看到一条直线就画好了。
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