A mobile terminal comprising: a swivel body configured to provide a first screen on a front side of the swivel body ; a main body located behind the swivel body to overlap with the main body ; and a hinge assembly coupling the swivel body and the main body such that the swivel body is rotatable based on a rotation axis in a front and rear direction of the mobile terminal with respect to the main body to switch an open state to a closed state or switch the closed state to the open state, wherein the hinge assembly comprises: a rotary plate coupled to the swivel body ; a fixed plate coupled to the main body ; a hinge provided between the rotary plate and the fixed plate to provide the rotation axis; and a first rotation rail provided at one of the rotary plate or the fixed plate and a first slider provided at a remaining one of the rotary plate or the fixed plate to move along the first rotation rail , wherein the first rotation rail comprises an arc shape, characterized in that , the main body is configured to provide a second screen on a front side of the main body ; and in that the hinge assembly further comprises: a main restoration part configured to provide a restoring force generated between the rotary plate and the fixed plate and applied to the swivel body to be biased to be in the closed state or the open state based on a first threshold rotation angle of the swivel body ; and an auxiliary restoration part configured to provide a force to the main restoration part for assisting the restoring force of the main restoration part . a swivel body configured to provide a first screen on a front side of the swivel body ; a main body located behind the swivel body to overlap with the main body ; and a hinge assembly coupling the swivel body and the main body such that the swivel body is rotatable based on a rotation axis in a front and rear direction of the mobile terminal with respect to the main body to switch an open state to a closed state or switch the closed state to the open state, wherein the hinge assembly comprises: a rotary plate coupled to the swivel body ; a fixed plate coupled to the main body ; a hinge provided between the rotary plate and the fixed plate to provide the rotation axis; and a first rotation rail provided at one of the rotary plate or the fixed plate and a first slider provided at a remaining one of the rotary plate or the fixed plate to move along the first rotation rail , wherein the first rotation rail comprises an arc shape, a rotary plate coupled to the swivel body ; a fixed plate coupled to the main body ; a hinge provided between the rotary plate and the fixed plate to provide the rotation axis; and a first rotation rail provided at one of the rotary plate or the fixed plate and a first slider provided at a remaining one of the rotary plate or the fixed plate to move along the first rotation rail , wherein the first rotation rail comprises an arc shape, characterized in that , the main body is configured to provide a second screen on a front side of the main body ; and in that the hinge assembly further comprises: a main restoration part configured to provide a restoring force generated between the rotary plate and the fixed plate and applied to the swivel body to be biased to be in the closed state or the open state based on a first threshold rotation angle of the swivel body ; and an auxiliary restoration part configured to provide a force to the main restoration part for assisting the restoring force of the main restoration part . a main restoration part configured to provide a restoring force generated between the rotary plate and the fixed plate and applied to the swivel body to be biased to be in the closed state or the open state based on a first threshold rotation angle of the swivel body ; and an auxiliary restoration part configured to provide a force to the main restoration part for assisting the restoring force of the main restoration part . <EOS>