The Beijing Concert Hall announced the start of renovation in the winter of 2004. After one year of construction, it officially started operations on December 27, 2004. The total investment in the renovation project of the concert hall reached 38 million yuan. The appearance of the new Beijing Concert Hall is brighter than before the renovation. The light blue-gray walls and glass curtain walls of the renovated concert hall look much brighter than before the renovation. Six stainless steel sky-high columns in front of the door support a The overhanging eaves of 10 meters have completely changed the visual appearance of the concert hall. The design of the concert hall is very thoughtful. This renovation expanded the stage forward by 70 centimeters, and the wooden walls on both sides also retreated 20 centimeters outward, making the stage look wider. To this end, the first three rows of seats in the auditorium were also removed, and the number of seats in the newly renovated Beijing Concert Hall was reduced from 1,182 to 1,024. The line of sight of the auditorium has also been readjusted, and the heightening of the layers makes it more suitable for viewing than before. The width of the seats has been widened from the original 53 cm to 55 cm, and the row spacing has also been increased. There is an air outlet under each seat, which is also designed in accordance with the latest theater standards. "After SARS, the country has higher requirements for the fresh air volume of theaters."