打开手机淘宝，在订单详情页面点击投诉商家即可。投诉卖家的具体操作步骤为：
1、打开手机淘宝，在我的页面中找到并点击查看全部订单。
/iknow-pic.cdn.bcebos.com/42a98226cffc1e17e43f3d4a4590f603728de9cd"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/42a98226cffc1e17e43f3d4a4590f603728de9cd?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/42a98226cffc1e17e43f3d4a4590f603728de9cd"/>
2、进入全部订单页面，点击要投诉的订单商家。
/iknow-pic.cdn.bcebos.com/d31b0ef41bd5ad6e9e7ad5918ecb39dbb7fd3ccd"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/d31b0ef41bd5ad6e9e7ad5918ecb39dbb7fd3ccd?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/d31b0ef41bd5ad6e9e7ad5918ecb39dbb7fd3ccd"/>
3、进入订单详情页，点击下方的投诉卖家。
/iknow-pic.cdn.bcebos.com/eac4b74543a98226a3439a5c8582b9014b90ebcf"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/eac4b74543a98226a3439a5c8582b9014b90ebcf?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/eac4b74543a98226a3439a5c8582b9014b90ebcf"/>
4、选择投诉类型。
/iknow-pic.cdn.bcebos.com/7aec54e736d12f2e572c1e1b40c2d562853568a4"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/7aec54e736d12f2e572c1e1b40c2d562853568a4?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/7aec54e736d12f2e572c1e1b40c2d562853568a4"/>
5、填写投诉信息，然后提交等审核即可。
/iknow-pic.cdn.bcebos.com/4d086e061d950a7b8f3cfebf05d162d9f2d3c944"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/4d086e061d950a7b8f3cfebf05d162d9f2d3c944?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/4d086e061d950a7b8f3cfebf05d162d9f2d3c944"/>
注意事项：
1、根据步骤操作，否则容易导致不成功。
2、如果卖家与卖家协商不一致，买家可以找淘小二进行投诉卖家，但是不能恶意投诉，发现是恶意投诉对买家的信誉也不好。