淘宝退款金额怎么修改的方法如下：

在手机上安装并登录手机淘宝。

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然后在界面中选中右下方的“我的淘宝”

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找到相应需要退款的订单，点击退款。

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然后跳转页面，会有两个选项，这里选第一个“仅退款”

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最后页又再次跳转，，淘宝会弹出来申请退款的原因选项框，在其中找到你所需要退款的原因之后，选择确定。这是关键金额可以按你的需要修改。

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