Do I need to bring my passport and visa to go abroad? What is the difference?

Yes, but some countries can. Passports for visas on arrival are mandatory.

Visa: A visa is the endorsement and seal of the sovereign organ of a country on the passport or other travel documents held by its own or foreign citizens to indicate the procedures for allowing them to enter or leave its own territory or pass through it. It can also be said that it is an endorsement certificate issued to them.

Generally speaking, a visa is a document issued by a country's entry-exit administration (such as immigration bureau or its embassy or consulate abroad) to approve the entry of foreign citizens.

Passport: Passport is a legal document issued by a country to prove the nationality and identity of its citizens when they enter and leave the country and travel or stay abroad. The word Passport means port pass in English. In other words, a passport is a passport for citizens to pass through international ports in various countries. Therefore, some countries in the world usually issue passes instead of passports.

reference data

Baidu Encyclopedia:/item/%E6% 8A% A4% E7% 85% A7/843949? Fr = Aladdin