Shuei was promoted to Gon-Risshi (generally in Shingon sect, fifteenth-ranking Buddhist priest, literally, "supernumerary master of discipline") in 869, and in the year 879 was successively appointed Sojo (high-ranking Buddhist priest), betto (administrator) of Todai-ji Temple and second abbot of To-ji Temple.
869年（貞観11年）に権律師、879年（元慶3年）僧正に任じられ、東大寺別当・東寺二長者も歴任している。