Shanghai Ninth People's Hospital is a tertiary A-grade comprehensive hospital with 63 clinical departments. It is world-renowned for four ace disciplines: Stomatology (internationally leading), Plastic and Reconstructive Surgery (#1 in China), Orthopedics (national key), and Ophthalmology (orbital diseases, nationally leading). National key disciplines include Clinical Stomatology, Plastic and Reconstructive Surgery, and Orthopedics. The Oral and Maxillofacial Surgery department is led by CAE Academician Zhang Zhiyuan. The Plastic Surgery department has 192 physicians and was founded by Academician Zhang Disheng in 1961. The Oculoplastic and Orbital Surgery center is nationally leading in orbital disease and ocular tumor treatment.