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.