A hinge guide apparatus of a swing-type portable terminal which can prevent deflection of a hinge module when the battery pack of the portable terminal is attached or detached is provided. The swing-type portable terminal having a body housing to and from which a battery pack is attached and detached, a swing housing rotating about a hinge axis vertically extending in a front surface of the body housing, and a hinge module having first and second hinge cams, a hinge shaft, and a swing plate to rotatably connecting the swing housing to the body housing. The hinge guide apparatus of the swing-type portable terminal includes at least one engagement guide portion formed in the second hinge cam; and a hinge guide member provided between the first and second hinge cams and movably engaged with the engagement guide portion, the hinge guide member widening the first and second hinge cams without inclination, by moving along the engagement guide portion in the mounting direction of the battery pack in an inclined manner when the battery pack is mounted to the body housing and moving the first hinge cam upward in the direction of the hinge axis.