The Guanshiyin shuo duoli xinzhou jing 観世音説多利心呪経 is not included in any version of the Chinese Tripiṭaka, and was probably lost at an early point in time. According to the author’s research, during Tang dynasty Huilin 慧琳 （737-820） called this sūtra the Guanzizai pusa sui xinzhou jing 観自在菩薩随心呪経 in his Yiqiejing yinyi 一切経音義. According to Huilin’s account, this sūtra was translated by Amoghavajra 不空 （705-774）. Additionally, quotations from this sūtra, and from the Yiqiejing yinyi, also appear in the Kōyaku shō 香薬抄 of Kōzen 興然 （1121-1203） and the Sanshō ruijū shō 産生類聚抄 （author unknown） from the early 14th century. The Guanshiyin shuo duoli xinzhou jing provides the essentials of faith in Avalokiteśvara and Tārā, and the content is related to that of the Ali Duoluo tuoluoni aluli jing 阿唎多羅陀羅尼阿嚕力経, also translated by Amoghavajra.
