Daegwangjeon Hall is the main Buddha hall of Sinheungsa Temple, which enshrines a statue of Vairocana Buddha. According to a record recovered during the partial repair work done in 1988, this hall was built in 1657 (eighth year of the reign of King Hyojong of the Joseon Dynasty). The building measures three kan (unit of measurement referring to the distance between two columns) at the front and three kan at the side and has a gabled roof. Multi-cluster brackets are placed not only on the column tops but also on the outer tie beams between the columns. Although it was built in the mid-Joseon Period, the hall retains the architectural features of the early Joseon Period. There are Buddhist paintings depicting Buddha, divine guardians, and flowers in the hall, most of which were painted in the mid-17th century; some were made in the 18th century. The interior of the building is decorated with elaborate dancheong (various designs in bright colors), which is believed to have been employed at the time of its construction. The decoration displays excellence in color and pattern.