According to Baidu's experience information, electronic invoices do not need to print paper invoices, which saves the cost of paper use and printing equipment maintenance. It can be sent directly to customers through electronic system, providing a more convenient way. It can be better managed and archived, thus reducing the risk of invoice loss or damage.

Invoice refers to the business vouchers issued and collected by all units and individuals in buying and selling goods, providing or receiving services and engaging in other business activities. It is the original basis of accounting, and it is also an important basis for law enforcement inspection by audit institutions and tax authorities.