1. Log on to the online invoicing platform of Yunnan National Tax;
2. After entering the online invoicing platform, click the "Invoice Issuing" module;
3. Click "Invoice Issuing" module, and then click "Electronic Invoice Issuing" to enter the electronic invoice issuing interface;
4. Click "Enter" on the menu page to enter the invoice;
5. Enter the invoice information in the pop-up page to complete the issuance of electronic invoices.