| 摘要 |
Provided are a password control method, device and system, which relate to the technical field of passwords. The method comprises: a password lock receiving an unlocking password which is sent by a mobile terminal through a network; the password lock matching the unlocking password with an unlocking password which is preset for the mobile terminal; and when the unlocking password matches the unlocking password which is preset for the mobile terminal, the password lock executing an unlocking operation. The embodiments of the present invention increase the password input security. |
