• Thailand is a Buddhist country were Buddha images are held sacred. Sacrilegious acts punishable by imprisonment even if committed by foreign visitors.
• Thai people hold their king and Queen and the Royal Family in great reverence, and so wor't tolerate foreigners showing disrespect to them.
• Generally Thai women are conservative. So don't touch them without their consent.
• Dress properly when entering a Buddhist temple. Miniskirt and short are not allowed. Take your shoes off before going inside the hall of worship; Ladies must not on any account touch a Buddhist monk, give things direst to him or receive things direct from him.
• Intimacies between man and woman should not be shown in public. Sunbathing in the nude is prohibited.
• Traditionally, Thais greet each other with a wai (by pressing the palms together at the chest). If someone wais you, you should wai back (except wai - ed by a child).
• Call Thais their first names; use the title "Khun" for adults.
• Thai people smile to express gladness and happiness, to thank for small services, to return the wai(a way of greeting) for children and inferior persons, and even to excuse small inconveniences.
• Don't touch person' head, nor ruffle his hair. The head is the noblest part of the body. A sincere apology should be offered immediately if you touch someone' head unintentionally.
• Avoid placing you feet on the tale while sitting. Never use your foot to point things out or touch any part of the body of anyone, which is considered rude.
• Entering a Thai house, you're expected to remove your shoes.

Special thanks! for information from "The extensive tourist information"