Is Xili Buddha Temple a demon temple?

No, Xili Buddhist Temple is located in Xili Town, Chaoyang District, Shantou City, Guangdong Province, China. This is a Buddhist temple with a long history. Founded in the late Song Dynasty and early Yuan Dynasty, it has a history of more than 700 years. The temple is dedicated to Siddhartha Gautama and is a holy place for local Buddhist believers to worship. So it's not a demon temple, but an orthodox Buddhist temple.