1. 1. Improve store information: log in to Taobao seller's account and improve store information in store settings, including company name and tax registration number.

2. Secondly, apply for electronic invoice qualification: contact Taobao customer service to apply for electronic invoice qualification.

3. Finally, issue an electronic invoice: in the order management interface, you can select the corresponding order and select the "Invoice" option. Fill in the invoice header, content and other related information according to the order information, and confirm the invoicing.