A fixing device comprising: a clasp installable to a first member of a refrigerator cabinet, the clasp having a contact portion (402, 404) defining a plane; and a coupler installable to a second member of the refrigerator cabinet, wherein the coupler includes: a hook having a protruding tip portion configured to come into contact with the contact portion (402, 404) so as to be caught by the contact portion (402, 404), the hook being rotatable; and an elastic member configured to elastically support the hook such that the hook is rotated toward the clasp, and wherein a contact position of the protruding tip portion and the contact portion (402, 404) are spaced apart from a rotation center of the hook, wherein the protruding tip portion includes: a first slope configured to come into contact with the clasp when the protruding tip portion begins to be caught by the clasp; and a second slope configured to come into contact with the clasp when the protruding tip portion is released from the clasp, characterized in that the coupler includes a damper member configured to absorb shock caused via contact with the first member. a clasp installable to a first member of a refrigerator cabinet, the clasp having a contact portion (402, 404) defining a plane; and a coupler installable to a second member of the refrigerator cabinet, wherein the coupler includes: a hook having a protruding tip portion configured to come into contact with the contact portion (402, 404) so as to be caught by the contact portion (402, 404), the hook being rotatable; and an elastic member configured to elastically support the hook such that the hook is rotated toward the clasp, and wherein a contact position of the protruding tip portion and the contact portion (402, 404) are spaced apart from a rotation center of the hook, wherein the protruding tip portion includes: a first slope configured to come into contact with the clasp when the protruding tip portion begins to be caught by the clasp; and a second slope configured to come into contact with the clasp when the protruding tip portion is released from the clasp, characterized in that the coupler includes a damper member configured to absorb shock caused via contact with the first member. a hook having a protruding tip portion configured to come into contact with the contact portion (402, 404) so as to be caught by the contact portion (402, 404), the hook being rotatable; and an elastic member configured to elastically support the hook such that the hook is rotated toward the clasp, and wherein a contact position of the protruding tip portion and the contact portion (402, 404) are spaced apart from a rotation center of the hook, wherein the protruding tip portion includes: a first slope configured to come into contact with the clasp when the protruding tip portion begins to be caught by the clasp; and a second slope configured to come into contact with the clasp when the protruding tip portion is released from the clasp, characterized in that the coupler includes a damper member configured to absorb shock caused via contact with the first member. a first slope configured to come into contact with the clasp when the protruding tip portion begins to be caught by the clasp; and a second slope configured to come into contact with the clasp when the protruding tip portion is released from the clasp, characterized in that the coupler includes a damper member configured to absorb shock caused via contact with the first member.