A screen protection apparatus equipped with character information transmission and calendar memo function is located in a mobile communication device. It includes a condition setting module, a display module, an information storing module, an information access module, a timer and a switch module. The condition setting module aims to set the mobile communication device in a screen protection state. The display module aims to display a protection picture on the display screen of the mobile communication device. The information storing module stores a plurality of information. The information access module accesses information in the information storing module when the mobile communication device is in the screen protection state, and display the protection picture on the display screen. The timer measures a switch time according to a preset time interval. The switch module switches the information in the information storing module when the switch time is due to allow the information access module to access the information thereafter.