Safety deposit box (box) is a special type of container. According to its function is divided into fireproof safes and security safes, antimagnetic and safes, fireproof antimagnetic safe fire anti-theft safe and so on. Each safe has its national standards. Safes on the market for the former two. Depending on the password works, anti-theft safes (boxes), mechanical and electronic insurance coverage can be divided into two kinds, characteristics of the former is cheaper, more reliable performance. Early safety deposit box (box) is mostly mechanical safes (boxes).