Off-site audit of catering industry includes:

1. Financial statements: Audit institutions can monitor the authenticity and accuracy of financial statements through off-site audit, including balance sheet, income statement and cash flow statement.

2. tax statements: audit institutions can monitor the tax statements of enterprises through off-site audits, including value-added tax, corporate income tax and personal income tax.

3. Business activities: Audit institutions can monitor the business activities of enterprises through off-site audits, including procurement, sales, inventory and asset disposal.