This Article aims at studying the Thai mechanisms to verify serious breaches of ethical standards of Thai politicians. The study shall be conducted on the basis of the Thai Constitutions of the year 2540, 2550, and 2560, on such matters as evolution, impediments, and implementation of the standards. It also studies the concept and mechanisms to verify serious breaches of ethical standards of politicians of other countries such as the United States of America, the United Kingdom, and the Republic of Korea, in order to compare with those of Thailand, and to bring the good parts of these mechanisms to improve the Thai mechanisms.