What money do they use in Thailand?

Answer 1

Thailand Baht = THB = ฿ = Thai: บาท

There is a small possibility that at international airports and such you may be able to use major western currencies, but outside of that, you need to exchange into local currency at a bank or money exchanger.

Answer 2

The currency in Thailand is called the 'Thai Baht' (pronounced 'bought' or 'bot')

Answer 3

no because when you enter the country you can trade you money for thialand money.