3. According to the query of the plot of "Beidou Sutra", there are three versions, namely the 3 volumes of Fu Dongzhen's "Taishang Xuanling Beidou Benming Yansheng Zhenjing" at the end of the Five Dynasties or the beginning of the Northern Song Dynasty, and Xu Daoling's "Taishang Xuanling Beidou Benming Yanshengzhen" during the Jin and Yuan Dynasties. "Sutra Annotations" and "Collected Annotations" in 5 volumes and Xuanyuan Zhenren's "Taishang Xuanling Beidou Benming Yansheng Sutra Annotations" in 3 volumes during the Yuan and Ming Dynasties. "Beidou Sutra", the full name is "Tai Shang Xuan Ling Beidou True Sutra of Life and Life Expansion".