1. Open WeChat, click the plus sign in the upper right corner and select "Sweep". After scanning the QR code given by the merchant, an open page will pop up;

2. Enter personal name and telephone number, or enter company name, tax number and address;

3. Enter the information and confirm it, then click "Submit". If reimbursement is required, the electronic invoice will be transmitted to the computer and submitted to the finance department for printing.

Electronic invoice is the product of the information age. Like ordinary invoices, they are distributed to merchants in the form of unified issuance by the tax bureau. The invoice number is distributed to merchants with national unified coding and unified anti-counterfeiting technology. The electronic invoice is accompanied by the signature mechanism of the electronic tax bureau. Compared with traditional paper invoices, online invoice management system can make invoices online, saving invoice cost, tax control machine cost and related labor cost.