Do I need a visa to go to Vientiane from Kunming?

Need. You need a visa to take the high-speed train from Kunming to Vientiane. Mo Ding Railway Port in Laos does not have the function of handling port visas, so you need to go to the Lao Embassy in China through a travel agency in advance. Visa is a kind of license issued by a government agency of a country according to its own laws for foreigners applying for entry, exit or passing through the country. The visa is usually attached to the passport or other international travel documents held by the applicant. Some countries have implemented the issuance of electronic visas and biological visas, greatly enhancing the anti-counterfeiting function of visas. Visa plays an important role in checking and controlling entry-exit personnel, protecting national security and preventing illegal immigrants and criminals.