The present invention discloses a slide type mobile phone that allows a drastic shortening in length of its main body by making its upper housing and lower housing to slide, using slide module installed inside of the main body of the mobile phone, and comprises at least one slide module which combines the upper and lower housings with each other and enables the upper and lower housings to slide in straight line; and a connecting member which connects electrically the printed circuit board installed in the upper housing and the printed circuit board installed in the lower housing.