The Civil Code stipulates that corporate bonds have unsecured guarantee.

Legal analysis: No, bonds can be pledged, but not mortgaged. According to the relevant laws and regulations of our country, the following rights that the debtor or the third party has the right to dispose of can be pledged: bills of exchange, promissory notes and checks; Bonds, certificates of deposit, etc. , but not mortgaged.

Legal basis: Article 395 of the Civil Code of People's Republic of China (PRC).

The following rights that the debtor or a third party has the right to dispose of may 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.