打开QQ页面，在修改个人资料里面就能更换QQ头像。
操作方法：
1、登录qq账号
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2、点击页面左上角的 “qq头像”。
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3、进入到qq个人页面后，打开中间红线所圈的 “qq头像”，更改头像。
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4、这时就会弹出一栏列表，有两个选项，可以点击相册选择。
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https://iknow-pic.cdn.bcebos.com/b151f8198618367afaf3a80025738bd4b21ce5f1"/>
5、在相册中选择一张自己喜欢的图片，点击打开，缩放和移动图片，选择自己认为比较好的一处作为头像，最后点击右下角的图标 “确定” 就可以了。
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https://iknow-pic.cdn.bcebos.com/6f061d950a7b02084e05e83c69d9f2d3562cc81b"/>
6、头像选好确定后，就会显示上传成功。
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https://iknow-pic.cdn.bcebos.com/f31fbe096b63f624319aeede8c44ebf81b4ca32c"/>