Registration and login method of safety authentication, system and mobile terminal

The invention can be applied to the information safety identification technical field and provides a registration and logon method, system and mobile terminal for the safe identification. The registration method of the safe identification includes the following steps: collecting the hardware identification number of the mobile terminal; making a soft digital certificate which includes the hardware identification number of the mobile terminal; transmitting the soft digital certificate and the collected hardware identification number to a network server for storage. The invention can realize rapid and safe logon to the network server.