Patent ID: 8301118

Claim:
A method for locking information, comprising: receiving, by a mobile terminal, a lock message carrying lock object information and lock node triggering information sent from a server, wherein the lock object information includes path information about a destination node in a device management tree, and the destination node is associated with a lock object; and triggering, by the lock node triggering information, a preset lock node which is an executable node in the device management tree; triggering, by the lock node, the mobile terminal to lock the lock object; and locking, by the mobile terminal, the lock object according to the lock message, the lock object corresponding to the lock object information; wherein the lock object information comprises a lock granularity, the lock granularity being a device lock, the lock message also carrying a lock level for indicating a locking extent; and the lock object is locked according to the lock granularity and the lock level in the lock message; wherein the lock level is classified into one of the group consisting of: a low-level lock, a middle-level lock or a high-level lock; wherein in the case of the low-level lock, other functions of the mobile terminal are not available except answering an incoming call, dialing an emergency call or establishing a session with a specific server; wherein in the case of the middle-level lock, other functions of the mobile terminal are not available except dialing the emergency call or establishing the session with the specific server; and wherein in the case of the high-level lock, other functions of the mobile terminal are not available except establishing the session with the specific server.