According to Chinese reports, recently, the Guangzhou Municipal Taxation Bureau has comprehensively launched ten "non-contact" tax handling measures, including the vigorous implementation of electronic ordinary invoices (including blockchain invoices), and gradually automatic taxpayers using paper ordinary invoices. Add the corresponding electronic ordinary invoice tickets. Taxpayers can apply for an electronic ordinary invoice through Guangdong Electronic Taxation (http://www.etax-gd.gov.cn). After claiming, the taxpayer can use the invoice management system of the State Administration of Taxation to issue a general electronic value-added tax invoice or a "tax chain" blockchain electronic invoice platform to issue a general electronic blockchain invoice. The promotion and application of electronic ordinary invoices will bring a new experience of "contactless" use, low issuance cost and good anti-counterfeiting performance for taxpayers.