我们需要准备的材料分别是：电脑、QQ、头像图片。
1、首先，打开QQ面板，点击头像。
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2、在资料编辑面板，点击左下角的头像。
/iknow-pic.cdn.bcebos.com/f2deb48f8c5494ee9a7a269623f5e0fe98257ee0"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/f2deb48f8c5494ee9a7a269623f5e0fe98257ee0?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="https://iknow-pic.cdn.bcebos.com/f2deb48f8c5494ee9a7a269623f5e0fe98257ee0"/>
3、点击“上传本地照片”按钮。
/iknow-pic.cdn.bcebos.com/d000baa1cd11728bdd91a7adc6fcc3cec2fd2c84"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/d000baa1cd11728bdd91a7adc6fcc3cec2fd2c84?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="https://iknow-pic.cdn.bcebos.com/d000baa1cd11728bdd91a7adc6fcc3cec2fd2c84"/>
4、选择需要使用的图片文件，点击确定。
/iknow-pic.cdn.bcebos.com/d788d43f8794a4c2d5d2c9a400f41bd5ac6e394f"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/d788d43f8794a4c2d5d2c9a400f41bd5ac6e394f?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="https://iknow-pic.cdn.bcebos.com/d788d43f8794a4c2d5d2c9a400f41bd5ac6e394f"/>
5、此时QQ头像就设置成了图片。
/iknow-pic.cdn.bcebos.com/78310a55b319ebc4794363168c26cffc1e171601"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/78310a55b319ebc4794363168c26cffc1e171601?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="https://iknow-pic.cdn.bcebos.com/78310a55b319ebc4794363168c26cffc1e171601"/>
1、首先，打开QQ面板，点击头像。
/iknow-pic.cdn.bcebos.com/4afbfbedab64034fb392eb89a1c379310b551de5"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/4afbfbedab64034fb392eb89a1c379310b551de5?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="https://iknow-pic.cdn.bcebos.com/4afbfbedab64034fb392eb89a1c379310b551de5"/>
2、在资料编辑面板，点击左下角的头像。
/iknow-pic.cdn.bcebos.com/f2deb48f8c5494ee9a7a269623f5e0fe98257ee0"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/f2deb48f8c5494ee9a7a269623f5e0fe98257ee0?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="https://iknow-pic.cdn.bcebos.com/f2deb48f8c5494ee9a7a269623f5e0fe98257ee0"/>
3、点击“上传本地照片”按钮。
/iknow-pic.cdn.bcebos.com/d000baa1cd11728bdd91a7adc6fcc3cec2fd2c84"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/d000baa1cd11728bdd91a7adc6fcc3cec2fd2c84?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="https://iknow-pic.cdn.bcebos.com/d000baa1cd11728bdd91a7adc6fcc3cec2fd2c84"/>
4、选择需要使用的图片文件，点击确定。
/iknow-pic.cdn.bcebos.com/d788d43f8794a4c2d5d2c9a400f41bd5ac6e394f"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/d788d43f8794a4c2d5d2c9a400f41bd5ac6e394f?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="https://iknow-pic.cdn.bcebos.com/d788d43f8794a4c2d5d2c9a400f41bd5ac6e394f"/>
5、此时QQ头像就设置成了图片。
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温馨提示：答案为网友推荐，仅供参考
第1个回答 推荐于2016-10-10
100X100
40X40
第2个回答 2015-04-14
图片处理软件，修改尺寸40X40，保存后上传，OK追问
不行啊我下的美图秀秀整不好。
追答
第3个回答 2015-04-14
在ps里面把图片拉伸成一个正方形的。
第4个回答 2015-04-14
放到PPT中，缩小
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