Land registration is public act which is to record the state-owned land use right, collective land ownership, collective
land use right and land mortgage, servitude, as well as other land rights required the registration according to laws and
regulations onto land registering books. Land registration is one of the important government affairs , so it is very
important to standardize, optimize and humanize the process of land registration. The management works of organization
are realized through a variety of workflows. Process knowledge is in essence a kind of methodology knowledge and a
system which including the core and the relational knowledge. In this paper, the ontology is introduced into the field of
land registration and management, trying to optimize the flow of land registration, to promote the automation-building
and intelligent Service of land registration affairs, to provide humanized and intelligent service for multi-types of users .
This paper tries to build land registration procedure ontology by defining the land registration procedure ontology's key
concepts which represent the kinds of processes of land registration and mapping the kinds of processes to OWL-S. The
land registration procedure ontology shall be the start and the basis of the Web service.