After-sales problems of goods purchased through Douyin live broadcast can be solved in the following ways.

First, you can contact the seller for after-sales service. When purchasing goods through Douyin live broadcast, you can ask the seller about the after-sales policy on the seller's homepage, including how to contact the seller to solve after-sales problems.

Secondly, if you cannot contact the seller or the seller does not provide a satisfactory solution, you can make complaints and inquiries through Douyin's official customer service.

In the drop-down page of the Douyin homepage, you can find the "Customer Service" option, select the corresponding problem type, fill in the necessary information, and Douyin customer service will contact you as soon as possible.

Finally, if the purchased item itself has quality problems, you can take photos or videos to fulfill the shopping voucher and file a claim or complaint to the merchant involved to safeguard your legal rights and interests.