Sik Sik Yuen was established in 1921. It is a religious charity organization in Hong Kong. It worships Chisong Wong Tai Sin and promotes charity with the purpose of "helping all people and encouraging good deeds". Sik Sik Yuen has developed the "Friends of Tai Sin Temple" mobile app to allow Sik Sik Yuen members, Tai Sin Temple adopted children, and the general public to obtain the latest news of the temple anytime and anywhere, and sign up to participate in the activities of the temple.