Third-party audit can check the company's invoices. According to the relevant information, the reconciliation process of third-party audit includes: collecting financial records, checking invoices and vouchers, verifying financial accounting records, checking whether the records are consistent with the actual situation, comparing records, confirming whether there are errors, violations and deficiencies, analyzing the reasons for reconciliation, preparing reconciliation reports, correcting financial accounting records according to the reconciliation reports, and properly filing them for future reference according to legal requirements.