The “Taxis Assistant” small program of the first taxi smart travel platform built by Shenzhen Public Transportation Administration, Shenzhen Taxation Bureau of the State Administration of Taxation and WeChat Payment was launched in Shenzhen. From April 29th, passengers can apply for an electronic invoice directly online. At the same time, you can also find lost items through small programs. It is reported that all taxis in Shenzhen will be covered in May. In addition, all taxis issued by Shenzhen City are blockchain electronic invoices, and the use of invoice information and invoices and reimbursement status will be synchronized. It not only improves the efficiency of passengers to obtain invoices, but also helps taxi companies save on the high cost of printing paper invoices and maintaining tax control hardware equipment.