In Chinese traditional society, languages to smear and mock Buddhist monks and nuns were often few; the images of these monks and nuns have been misconceived. Because of that, its effect is huge and unconceivable. Nowadays, as the political situation changes in Taiwan, Buddhists now, through democratic process, may have a petition, protest, demonstration, march, and other legal and reasonable ways to express their opinions and appeal to the public and governmental organizations. Compared with monarchical China of more than thousands of years, this way to spread Buddhism and the action to protect Buddhism, ”without a monarch, nothing could be done,” is quite different from the way nowadays. Among the actions to protect Buddhism in the modern political environment, the establishment and the action of Protecting Buddhism Corps of Buddhist Association ROC is the most representative. Though it has been built for only two years, it has done a lot in the de-stigmatizing the social status of Taiwan monks and nuns. It also has a great and far-reaching influence on Taiwan Buddhism and society. This article aims to retrospect historically the background, origin, objective, and important cases in protecting Buddhism of Protecting Buddhism Corps of Buddhist Association ROC, intending to analyze their effect and meaning.