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Things Not to Do in Thailand
Some actions in Thailand carry serious legal consequences. Others cause genuine cultural offence. Most are easily avoided once you know about them.
Quick Answer
What should I not do in Thailand?
Never criticise the monarchy (criminal offence with jail time), never disrespect Buddha images, never point feet at people or sacred objects, do not step on money, do not touch people on the head, do not enter temples in revealing clothing, do not use drugs, and do not overstay your visa. Most other rules are common sense hospitality and cultural respect.
Legal Prohibitions
Never criticise the Royal Family:Thailand's lèse-majesté law is vigorously enforced and applied to foreigners. This includes verbal comments, written posts, social media, and jokes. Sentences are severe and there is no diplomatic immunity. The law applies while you are physically in Thailand — even to comments about events elsewhere.
Do not use or carry hard drugs:Thailand's drug penalties are among the harshest in Asia. Trafficking carries mandatory death. Possession of Class A drugs can mean life imprisonment. Tourist areas in Thailand have police and informers specifically looking for drug users. The risk is real and the consequences are catastrophic.
Do not overstay your visa: Fines, detention, deportation, and entry bans result. Track your permitted stay duration from day one and act before the deadline, not after.
The Three Pillars: Nation, Religion, Monarchy
Cultural Taboos
The head is sacred: Never touch anyone on the head, even children affectionately — the head is the most spiritually elevated part of the body in Thai culture.
Feet are the lowest: Never point your feet at people, at Buddha images, or at monks. When sitting on the floor at a temple, tuck your feet behind you. Do not use your foot to point at anything.
Women and monks: Female-presenting people should not touch monks or hand things directly to them. If offering something to a monk, place it on a cloth or tray, or have a man hand it over.
Never lose your temper publicly: Shouting, aggressive behaviour, and public confrontation are considered deeply inappropriate in Thai culture — regardless of whether you are right or wrong. Keeping a calm demeanour in disputes achieves far better outcomes.
Practical Don'ts
Do not ride a motorbike without a valid licence and helmet. Do not swim at beaches with red flags. Do not accept unsolicited 'help' from strangers near tourist attractions — it leads to commissions and scams. Do not drink tap water. Do not pay tourist prices for metered transport without using Grab or insisting on the meter.