How to get from China Xi to Viet Nam?

Take the train from Xi 'an to Nanning, Guangxi, then go to Nanning International Tourism Distribution Center next to Youai Road Railway Station, get off at the railway station and take a taxi directly. Probably 15 yuan. Buy a ticket one day in advance and leave at 8 am. There is hotel accommodation in the center. 1The air ticket from 50 yuan goes directly to Hanoi. The premise is to apply for a passport and visa. When everything is ready, you can buy a ticket to Vietnam.