In 702, he travelled to Tang China where he lived at Xi Ming Temple (Xian City) and through his pursuit of Sanron, or Three Shastras (Treatises), out of 100 high priests was he selected to expound upon the Ninno hannya kyo which was alternatively known as Benevolent Kings (Prajnaparamita) Sutra.
702年（大宝(日本)2年）唐へ渡り、西明寺(西安市)に住して三論に通じて、仁王般若経を講ずる高僧100人のうちに一人に選ばれた。