1. Contact customer service in Pinduoduo: First of all, you can try to contact customer service in Pinduoduo, ask them why you are blacklisted and seek a solution. You can consult through the Pinduoduo platform official website or the customer service channel on the APP.
2. Provide evidence: If you think you have been blacklisted by mistake, you can provide relevant evidence, such as purchase records and evaluations, to prove that you are an honest consumer. These evidences can help you to appeal to the Pinduoduo platform and possibly restore your shopping function.
3. Re-register your account: If the problem cannot be solved by the above methods, you can consider re-registering a new Pinduoduo account and abide by the rules and requirements of the platform. In the new account, you can re-establish your shopping record and reputation to avoid being blacklisted again.