A wrist guard attachable to a wrist to protect the wrist, the wrist guard comprising: a compression member configured to surround a wrist, wherein a first compression pad is provided on one portion of an inner surface of the compression member to be able to compress one of an ulna area and a radius area of the wrist toward a central portion of the wrist, and a second compression pad is provided on the other portion of the inner surface of the compression member to be able to compress the other of the ulna area and the radius area of the wrist toward the central portion of the wrist; and a coupling body, wherein one end portion of the compression member is pivotably coupled to one end portion of the coupling body, and the other end portion of the compression member is coupled to or decoupled from the other end portion of the coupling body in response to user operation, wherein the wrist, other than the ulna area and the radius area, is not compressed, and a coupling state of the second compression member is adjustable by the user operation so that compressive load of the compression member on the ulna area and the radius area is adjustable, characterized in that the compression member includes: a main ring body made of an elastically deformable material and having a shape of a ring with one open portion, the first compression pad and the second compression pad being mounted on inner surface portions of the main ring body, wherein one end portion of the main ring body is pivotably coupled to one portion of the coupling body; a connecting body pivotably coupled to the other end portion of the main ring body, wherein the connecting body is coupled to or decoupled from the other portion of the coupling body, wherein the connecting body is made of a rigid material that is less elastically deformable than the main ring body. a compression member configured to surround a wrist, wherein a first compression pad is provided on one portion of an inner surface of the compression member to be able to compress one of an ulna area and a radius area of the wrist toward a central portion of the wrist, and a second compression pad is provided on the other portion of the inner surface of the compression member to be able to compress the other of the ulna area and the radius area of the wrist toward the central portion of the wrist; and a coupling body, wherein one end portion of the compression member is pivotably coupled to one end portion of the coupling body, and the other end portion of the compression member is coupled to or decoupled from the other end portion of the coupling body in response to user operation, wherein the wrist, other than the ulna area and the radius area, is not compressed, and a coupling state of the second compression member is adjustable by the user operation so that compressive load of the compression member on the ulna area and the radius area is adjustable, characterized in that the compression member includes: a main ring body made of an elastically deformable material and having a shape of a ring with one open portion, the first compression pad and the second compression pad being mounted on inner surface portions of the main ring body, wherein one end portion of the main ring body is pivotably coupled to one portion of the coupling body; a connecting body pivotably coupled to the other end portion of the main ring body, wherein the connecting body is coupled to or decoupled from the other portion of the coupling body, wherein the connecting body is made of a rigid material that is less elastically deformable than the main ring body.