QQ临时会话就是不加为好友或不通过验证就可以聊天。
1、首先我们打开qq并登录自己的账号，接着点击左上角的头像。
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2、点开头像后在左下角会有一个设置功能。
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3、进入设置功能，底下倒数第二个是联系人、隐私，直接进入。
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4、进入后关闭那个“一声响问候消息”，这样陌生人就不能通过临时会话跟你聊天了。
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