方法如下：
1打开手机京东，点击我的，找到我的订单这一项。
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https://iknow-pic.cdn.bcebos.com/b7fd5266d01609242e77db45d90735fae6cd3419"/>
2找到要取消的那个订单，点击。
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https://iknow-pic.cdn.bcebos.com/4610b912c8fcc3ceb284b06d9f45d688d43f2023"/>
3滑到底部，有一个取消订单，点击。
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https://iknow-pic.cdn.bcebos.com/32fa828ba61ea8d3a4a80d5a9a0a304e241f58e1"/>
4选择你要取消这个订单的原因，然后点击提交即可。
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https://iknow-pic.cdn.bcebos.com/960a304e251f95ca8e1bebe8c4177f3e66095285"/>
参考资料：/help.jd.com/user/issue/317-979.html"target="_blank"title="京东帮助中心-取消订单问题">京东帮助中心-取消订单问题