The Shanghai Oriental Art Center opened officially in July 2005 is one of the largest performance art centers in mainland China.It mainly consists of a 2000-seat philharmonic hall,an 1100-seat opera house,a 330-seat chamber music hall and several rehearsal facilities.It has become one of the most important landmark buildings in Shanghai as well as in Pu-Dong new district.In this paper,the features of the architectural acoustics design of the 2000-seat philharmonic hall,the largest and specially designed music performance venue,is mainly elucidated,also the objective acoustical measurement results and some subjective acoustics evaluation from all circles after opening are covered. The Shanghai Oriental Art Center opened officially in July 2005 is one of the largest performance art centers in mainland China. It mainly consists of a 2000-seat philharmonic hall, an 1100-seat opera house, a 330-seat chamber music hall and several rehearsal facilities. It has become one of the most important landmark buildings in Shanghai as well as in Pu-Dong new district. this paper, the features of the architectural acoustics design of the 2000-seat philharmonic hall, the largest and specially designed music performance venue, is mainly elucidated, also the objective acoustical measurement results and some subjective acoustics evaluation from all circles after opening are covered.