It is presumed that Shinsho went to Tang Dynasty China and learned Kegon (the thought that virtues are correctly provided due to training and performing acts of charity) from Hozo, but since he called himself a student of Silla, another theory was that he learned Kegon Doctrine in Silla.
唐に渡って法蔵から華厳を学んだとされるが、新羅学生と名乗っていることから新羅で華厳教学を学んだとする説もある。