Among the only forms of legal gambling in Thailand is the Thai Lottery. It is run by The Government Lottery Office (GLO). The national lottery is drawn twice a month. The prize money is used to generate funds to help in social and charitable programs. The first prize is usually a jackpot prize of 22 or 30 million baht. The second prize is 100,000 baht.

The third prize is 40,000 baht. The fourth prize is 20,000 baht, while the fifth prize is 10,000 baht. These prizes are available in the Thai Lotto.

เลขนกตาทิพย์วันนี้ for the Thai lottery are printed on special chemical paper and feature silk thread. https://www.xn--9-oxf0dtag7esd.com/%E0%B9%80%E0%B8%A5%E0%B8%82%E0%B8%99%E0%B8%81%E0%B8%95%E0%B8%B2%E0%B8%97%E0%B8%B4%E0%B8%9E%E0%B8%A2%E0%B9%8C/ can be seen with the naked eye. The tickets are also coated with chemicals to prevent stains.

The Thai Government Lottery office was established on April 5, 1939. Previously, lottery tickets were distributed by five groups. However, the military government eliminated this optimal number of prizes.

When a Thai wins a prize in the Thai Lottery, he has to pay a 0.5% tax on the prize. He must also visit one of the three GLO offices in Bangkok. He must present his passport and a winning ticket to receive his prize. In case a foreigner wins a prize in the lottery, he must present a signed ticket. Moreover, he must pay stamp duty. This stamp duty is applicable on all winnings.

In 2014, 67 million people bought tickets for the Thai lottery. This translates to 76 million baths (US 2.3 billion).