Sanzhongyi Tiangong is located in Yonganli, Sanzhong District, Xinbei City, northern Taiwan. It is a Taoist Mazu Temple. The Lord worships the Mother Mazu of the heavens and is one of the faith centers of residents in Sanzhong District and Luzhou District. In recent years, it has been known for adopting stray cats and allowing cats to move freely in temples, and it has been called "cat temple".