Shaanxi Provincial Expressway "Sanqintong" toll card is issued to the society by Shaanxi Provincial Expressway Toll Management Center. It is a special card for motor vehicles to pay tolls when driving on the networked expressway in this province, and it is also used as a pass card. Users will be able to pass through highways in this province without having to apply for a card, pay cash or swipe their cards. Payment cards include debit cards and stored-value cards. Recharged cards are suitable for users who have a good reputation in the card issuer or provide credit guarantee measures recognized by the card issuer. Stored value cards are suitable for ordinary users. Sanqintong payment cards are divided into two types according to the issuer: banks and transportation departments, and the two types of cards can not replace each other for the time being. After passing through the expressway, users can regularly go to the card-issuing outlets to handle the bill printing service, and can visit the official website website to inquire about the consumption details within half a year. Using the "Sanqintong" payment card has the following six advantages: 1. Fashion credit card payment, fast and safe, free of cash and change; 2. Use electronic tags to enjoy fast and convenient free parking service. 3. Provide detailed traffic details and statistical list to facilitate vehicle management. 4. Summarize and print invoices on a monthly basis, which is convenient for drivers' reimbursement and financial management. 5. Reduce automobile wear and exhaust emissions, prolong the service life of vehicles and protect the environment. 6. One card is multi-purpose and can be extended to other automobile consumption fields in the future.