The invention discloses a secure storage system and method for a mobile terminal, belonging to the technical field of cloud computing. The secure storage method comprises the following steps: after a user logs in successfully, the terminal sends the configuration parameter request to the cloud side, the cloud side returns the secure storage strategy and the backup restoring strategy, and the terminal finishes the configuration according to the secure storage strategy and the backup restoring strategy; the user or application program operates the logical secure storage area of the terminal according to the backup restoring strategy and finish the data synchronization of the terminal and the cloud side; and the terminal and the cloud side finish the data backup and restoring according to the backup restoring strategy. The secure storage system comprises a secure storage terminal subsystem and a secure storage cloud side subsystem. Due to the adoption of the secure storage system and method, safe and reliable data storage function can be provided for the intelligent terminal users, and the data can be shared between the intelligent terminal users conveniently through the cloud side.