Ong Yah

'Royal Lord') are deities in Hokkien folk religion in Fujian and Taiwan, frequently considered an aspect of the Taoist belief system.

Therefore, to stop diseases, like pestilence, from spreading, people would honoured and make offerings to those beings who sacrificed their own lives for the civilians and public well-being.

As time passed by, these great people are honored as Ong Yah and gradually became local Guardian Deities that are able to dispelling epidemic and diseases, and bestow blessings and good fortune.

The second category comprises national heroes who are bestowed with the status of Deity by the Celestial appointment of Jade Emperor due to their heroic deeds and great sacrifices in their lives.

One of the grandest Ong Yah's festivals in Taiwan takes place in Donglong Temple which is located in the city of Donggang, Pingtung County, once every three years.