Baby mode implementation method, system and network side of mobile terminal

The invention discloses a baby mode implementation method of a mobile terminal, which comprises the steps of: pre-storing at least one multimedia file in the mobile terminal; setting a scene mode of the mobile terminal as the baby mode, locking a calling key of the mobile terminal and simultaneously establishing a corresponding relationship between the calling key and the multimedia file; and automatically playing the multimedia file when the mobile terminal receives a key instruction of the calling key. Correspondingly, the invention provides a baby mode implementation system and a network site of the mobile terminal. Thus, the invention solves the problem that extra expense is generated when a baby presses the calling key and other keys to realize communication in the process of using the mobile terminal, guarantees the safety of the mobile terminal, and simultaneously meets the entertainment demand of the baby.