The present invention relates to a portable computer including a tablet body to accommodate a plurality of hardware components and capable of a tablet operation, an input unit body to input data to the tablet body; and one link including a first end rotatably coupled to a rear of the tablet body and a second end rotatably coupled to a back of the input unit body, the tablet body alternating between a tablet operation position in which the tablet body is folded on the input unit body while the link is interposed between the rear of the tablet body and an upper surface of the input unit body, and an exposed position in which the tablet body coupled with the link is spaced from the input unit body and the input unit body is externally exposed. Thus, the present invention provides a portable computer which enables a user to rotate a tablet body and which has an attractive and slim outer appearance.