微博赞过的图片因为是赞他人的图片，所以是无权限删除的，只能取消赞，具体的操作方法为：
1、打开新浪微博，点击右下角的我的选项。
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https://iknow-pic.cdn.bcebos.com/a2cc7cd98d1001e963333315b70e7bec54e79798"/>
2、在跳转的界面中，点击我的相册。
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https://iknow-pic.cdn.bcebos.com/a6efce1b9d16fdfac163e1f4bb8f8c5494ee7b98"/>
3、在我的相册界面中，点击赞过的图。
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https://iknow-pic.cdn.bcebos.com/6d81800a19d8bc3e3d0721d08d8ba61ea8d34598"/>
4、在跳转的赞过的图片界面中，选择需要取消赞的图片。
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https://iknow-pic.cdn.bcebos.com/d50735fae6cd7b895d331d99002442a7d9330e48"/>
5、在跳转的界面中，点击右下角的赞即可取消。
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https://iknow-pic.cdn.bcebos.com/b999a9014c086e06e3a218510d087bf40ad1cba6"/>