1. Re-apply for tax refund: If you think it meets the tax refund requirements, you can rearrange the relevant supporting materials and re-submit the tax refund application according to the prescribed procedures.

2. Consult the tax authorities: If you are in doubt about the reasons for the rejection of the tax refund application, you can consult the local tax authorities to understand the specific tax refund policy and application conditions.

3. Seek the help of professional tax service organizations: If you are not familiar with tax laws and procedures, you can seek the help of professional tax service organizations, which usually provide relevant consulting and application services.