Legal analysis: it can be mortgaged, but it needs the approval of relevant land management departments and the procedures for the transfer of land use rights. Without the approval of the land administration department of the people's government of the city or county and the procedures for transferring the land use right, the land user who pays the transfer fee for the land use right shall not transfer, lease or mortgage the land use right.

Legal basis: Interim Measures for the Administration of Allocated Land Use Rights

Article 5 Without the approval of the land administration department of the people's government of the city or county and the procedures for transferring the land use right, the land users who pay the transfer fee for the land use right shall not transfer, lease or mortgage the land use right.

Twelfth land users need to transfer, lease, mortgage land use rights, must hold a state-owned land use certificate and proof of property rights of buildings and other attachments on the ground, and submit a written application to the land management department of the local city or county people's government.

Article 2 Allocated land use right refers to the state-owned land use right obtained by land users in various ways other than transferring the land use right.