Most are written works from the period he spent in Chang'an, and in particular, "Kangyosho" is one of the most important references in interpreting "Kammuryoju-kyo (Kangyo)" in Pure Land Buddhism in Japan.
ほとんど長安の時代の撰述で、中でも『観経疏』は日本の浄土教日本において、『観無量寿経（観経）』の解釈にもっとも重要な文献である。