A cell phone sound amplifying extend cup comprises a conical trumpet portion, an amplifying barrel portion, a first receptacle portion, a second receptacle portion and a net portion. The conical trumpet portion is for collecting and reflecting sound. The first receptacle portion is for receiving a mobile communication device of a first kind. The second receptacle portion is disposed for receiving a mobile communication device of a second kind. The net portion is disposed between the conical trumpet portion and the amplifying barrel portion for supporting the mobile communication device in place. The sound from the mobile communication device is collected and reflected in the conical trumpet portion and amplified in the amplifying barrel portion, such that the sound of the mobile communication device is delivered to a user far away from the mobile communication device.