If your eBay account is frozen, you can take the following steps to solve the problem:

Understand the reason for the account freeze: Log in to the eBay website, find the "My eBay" menu, select "Message Center", and check your account status and the reason for the freeze. In some cases, eBay will send you an email notification to inform you of the reason for the account freeze.

Contact eBay customer service: Through the "Contact Us" page on the eBay website, select the appropriate subject, describe your problem to eBay customer service, and provide relevant account information and transaction records. If you do not receive an email about the account freeze, you can find the "Contact Customer Service" option in the "Message Center" to chat with eBay customer service online.

Provide necessary evidence: If you believe that the reason for the account freeze is a misunderstanding or unreasonable, you can provide eBay with evidence to review your account. For example, you can provide customer reviews, transaction records, etc. to prove that you are an honest and trustworthy seller or buyer.

Comply with eBay's policies and rules: Make sure your account complies with eBay's rules and policies, and do not engage in fraud, theft or other illegal activities. At the same time, you should deal with any unfinished transactions or disputes in a timely manner to avoid your account being frozen.

Waiting for review: According to eBay's policy, it takes some time to reactivate an account after it is frozen. Please be patient and follow eBay's instructions.

If the above steps do not solve the problem, you can seek legal assistance or contact your local eBay service center for more help.