Do I need a passport to visit Vietnam?

If you are only going to Mong Cai for a day trip, you can use your ID card to apply for a pass. You do not need a passport, but you need to join a group of three people. There is also a three-day tour that does not require a passport or visa. It can go to Halong Bay, which is similar to Hanoi, but you have to follow a group and cannot move freely. If you want to travel freely in Vietnam, you must have a passport and visa.

A passport is a valid document issued by the country or region where a country’s citizens or residents enter or exit the country or region and travel or reside abroad. International travel documents.

The word passport means port pass in English. That is to say, a passport is a passport for citizens to travel through international ports in various countries.

On December 28, 2015, the Ministry of Public Security issued an announcement stating that citizens applying for private entry and exit documents no longer need to submit household registration books, and relevant information can be queried by the public security organs through the internal network.

Baidu Encyclopedia - Passport