- Smile and greet people. Everyone understands "Hello!" and "Thank you".
- Bathing suits are not appropriate attire away from pool and beach areas. Both men and women should wear a shirt in village streets and restaurants. Topless women sunbathers are deeply offensive to many people.
- Try to eat Thai-style. Don't be surprised if everything you order does not come out at the same time. Since Thais usually share, they don't care much which dish comes out first. Leave a small tip if you liked the service.
- Displays of anger are likely to worsen a trying situation, so are declarations of "That's not the way we do things in my country!" Try to win the day with quiet and calm persistence.
- Avoid directly accusing someone if you feel you have been cheated. Contact the Tourist Police.
- Thailand is a Buddhist country where the Buddha images are held sacred. Sacreligious acts are punishable by imprisonment even if committed by foreign visitors.
- Thai people hold their King and Queen and the Royal Family is great reverence, and so won't tolerate foreigners talking about them in disrespect.
- The head and the feet are two symbolic parts of the body. The head, being the highest part, is treated with great respect.
It's taboo to touch a Thai on the head, even to express fondness. In the same light, it is considered rude to point one's feet at anyone.
When sitting on the floor, Thai men usually sit cross-legged, while women fold their feet under their legs.
- Dress properly when enterting a Buddhist Temple. Take you shoes off before going inside the hall of worship.
Ladies must not on any account touch a Buddhist monk, give things direct to him or receive things direct from him.
- Intimacies between man and woman would not be shown in public. Public displays of affection, sush as hugging and kissing are frowned upon.
- Thai people smile to express gladness and happiness, to thank for small service, to return the wai (a way of greeting) of children and inferior persons, and even to excuse small inconveniences. Be soft spoken and deferential. This kind of humility is especially respected, and it is how most Thais would behave in your country.
- Thais are very affectionate with children. Feel free to fuss over little ones and let others fuss over yours.
- Using Narcotics (e.g. marijuana, opium, cocaine, morphine, amphetamine, heroin) is illegal with strong penalties; fine up to 500,000 Baht and/or up to five years in prison.