-Dress conservatively wherever possible.
-Use both hands to pass things.But do not pass anything over someone's head.
-Take your shoes off at the entrance if you're invited to a Vietnamese's home.
-Ask for permission when taking a photograph of someone.
-Store your cash, credit cards, airline tickets and other valuable things in a safe place.
-Try to learn a couple of basic Vietnamese phrases.
Do not:
-Cause Vietnamese to lose face.
-Talk about the Vietnam War.
-Carry large amount of money or wear a lot of jewelry.
-Sit with your feet pointing towards people.
-Discuss politics or religion with the Vietnamese.
-Touch someone head and point with your finger.
-Lose your temper in public.