An erect mobile phone device comprises a main body having a sunken area, a direction key set on a side of the sunken area, and a press key portion on the same side of the sunken area of the main body; a display screen portion having a screen on a side of the display screen portion able to be accommodated in the sunken area or turned outward from the sunken area; and a connecting portion with one end pivotally coupled to the display screen portion and with another end pivotally coupled to the main body on a side proximate to the sunken area, such that the display screen portion can be rotated on the connecting portion and turned outward from the sunken area to an angle or accommodated in the sunken area through the connecting portion.