The invention discloses a special safe for confidential documents used in financial 
engineering, which comprises an electronic lockbox, an 
alarm device is provided on the electronic lockbox, and a plurality of U-shaped placement plates arranged in parallel in the electronic lockbox, a placement box, a lifting 
assembly,  Two sets of destruction components, identification components, multiple card boards, induction unit, 
wireless communication module and controller.  The invention has a double insurance structure, which can prevent the electronic combination lock on the electronic combination box from being cracked. If you want to take out the confidential file, you need to pass the 
password verification of the electronic combination lock. After the 
verification is successful, you need to identify the identity of the person who opened the box  Identification, correct identification can finally take out the confidential documents, which can effectively prevent the 
password on the electronic combination lock from being cracked, and the protection is strong, and when the electronic combination box and the U-shaped placement board for placing the confidential documents are violently damaged, the confidential documents will be automatically deleted  Destruction, to prevent leakage of confidential documents.