1. Log in to official website of Chongqing State Taxation Bureau first. Click on the relevant module in the "Tax-related Inquiry" column to inquire about online invoices. Please select "Online Invoice Query" to query invoice issuance details in real time. At the same time, you can download the mobile phone version of the online invoice query software for use on this website.

2. Secondly, ordinary manual invoices and ordinary quota invoice select the "Invoice Flow Query" module to query the invoice flow information.

3. Finally, you can query the invoice flow information through the "Invoice Flow Query" module.