A vehicle lock device comprising: a base member configured to be fixed to one of a fixing member and a moveable member, the base member having a base groove (24a,25a) into which a striker that is connected to the other one of the fixed member and the moveable member is inserted, the base groove (24a,25a) including a bottom surface (241a,251a); a latch having a latch groove, wherein the latch groove is capable of being engaged with and disengaged from the striker, the latch is rotationally coupled to the base member, and the latch can rotate between a locked position, in which the latch restrains the striker while the striker is between the latch and the base groove (24a,25a), and an unlocked position, in which the latch releases the striker; a pawl, which is rotationally coupled to the base member by a first rotation shaft and is rotational between an allowable position and a holding position, wherein, in the allowable position, the pawl allows the latch to rotate between the locked position and the unlocked position, and at the holding position, the pawl prevents rotation of the latch from the locked position to the unlocked position, and the pawl rotates from the holding position to the allowable position according to an unlocking operation; a cam member, which is rotationally coupled to the base member by a second rotation shaft that is different from the first rotation shaft of the pawl, wherein the cam member allows the latch to rotate between the locked position and the unlocked position and is engaged with the latch at the locked position to rotate the latch such that the striker contacts the bottom surface (241a,251a) of the base groove (24a,25a); an engaging protrusion formed on the pawl; and an engaging recess formed in the cam member, wherein the engaging recess is engaged with the engaging protrusion to hold the cam member when the pawl is located at the allowable position, and the engaging recess is disengaged from the engaging protrusion to release the cam member from the pawl when the pawl rotates between the allowable position and the holding position, and the engaging recess is shaped to conform to the rotation track of the engaging protrusion when the pawl is located at the allowable position. a base member configured to be fixed to one of a fixing member and a moveable member, the base member having a base groove (24a,25a) into which a striker that is connected to the other one of the fixed member and the moveable member is inserted, the base groove (24a,25a) including a bottom surface (241a,251a); a latch having a latch groove, wherein the latch groove is capable of being engaged with and disengaged from the striker, the latch is rotationally coupled to the base member, and the latch can rotate between a locked position, in which the latch restrains the striker while the striker is between the latch and the base groove (24a,25a), and an unlocked position, in which the latch releases the striker; a pawl, which is rotationally coupled to the base member by a first rotation shaft and is rotational between an allowable position and a holding position, wherein, in the allowable position, the pawl allows the latch to rotate between the locked position and the unlocked position, and at the holding position, the pawl prevents rotation of the latch from the locked position to the unlocked position, and the pawl rotates from the holding position to the allowable position according to an unlocking operation; a cam member, which is rotationally coupled to the base member by a second rotation shaft that is different from the first rotation shaft of the pawl, wherein the cam member allows the latch to rotate between the locked position and the unlocked position and is engaged with the latch at the locked position to rotate the latch such that the striker contacts the bottom surface (241a,251a) of the base groove (24a,25a); an engaging protrusion formed on the pawl; and an engaging recess formed in the cam member, wherein the engaging recess is engaged with the engaging protrusion to hold the cam member when the pawl is located at the allowable position, and the engaging recess is disengaged from the engaging protrusion to release the cam member from the pawl when the pawl rotates between the allowable position and the holding position, and the engaging recess is shaped to conform to the rotation track of the engaging protrusion when the pawl is located at the allowable position.