Founded in May 1997, 明光社 (The Society for Truth and Light) is a non-profit organization that focuses on media, sexual culture, and social ethics. Guided by Christian faith, the organization conducts research, monitoring, education, and publishing to bring attention to social issues and serve the community. 明光社 offers a wide range of products and services to fulfill its mission.

These include courses and online resources for sexual ethics and education, lectures and meetings for churches and schools, counseling hotlines for the LGBTQ+ community, premarital counseling for marriage, assistance for underprivileged families, and rental of training centers. The organization also engages in research and publishes articles, teaching materials, and investigation reports. Additionally, 明光社 provides a platform for advocacy, press releases, and actions to raise awareness and address social concerns.

With a commitment to upholding truth and light, 明光社 remains dedicated to promoting ethical values in society