ITU is responsible for providing computer facilities and technical services to the OUHK. The services of ITU at the OUHK are provided by 3 sections, namely Computer Centre, Management Information Systems and Systems.

The Computer Centre Section is responsible for the operations of host computers, campus network and the support of office and instructional microcomputers, including maintenance of microcomputer hardware for the University.

The Management Information Systems Section is responsible for the development and implementation of all computer-based administrative information systems within the OUHK.

The Systems Section is responsible for the planning, design, implementation and technical support of computer systems, network infrastructures. databases, OA and PC laboratory applications.  Besides, the Systems Section operates and administers the Internet access facilities to Joint Universities Computer Centre HARNET and two Hong Kong ISPs including equipment ranging from ATM, leased lines to modem pools and VPN gateway.