Can the right to use construction land be pledged according to the Civil Code?

I can't. Only movable property and rights stipulated by law can be pledged, but the right to use construction land cannot be pledged.

Legal basis: According to Article 440th of the General Principles of Civil Law of People's Republic of China (PRC), the following rights that the debtor or a third party has the right to dispose of can be pledged:

(1) Bills of exchange, promissory notes and checks.

(2) Bonds and certificates of deposit.

(3) Warehouse receipts and bills of lading;

(4) Transferable fund shares and equity;

(5) Transferable intellectual property rights such as the exclusive right to use a registered trademark, patent right and copyright;

(6) Existing and future accounts receivable;

(7) Other property rights that can be pledged according to laws and administrative regulations.