The raised hard bone at the wrist joint may be a normal structure, or it may be a bone lesion. 1. Normal structure: the raised bone at the wrist joint, the raised bone at the root of the inner side of the metacarpal is the ulnar tuberosity in the anatomical structure, which is the normal physiological structure and usually has no pressing pain. 2. Bone lesions: Bone lesions may be tenosynovial cysts and osteochondromas, patients with tenosynovial cysts and osteochondromas usually have pain on pressure, and will lead to hand function activity disorders, such as flexion and extension dysfunction, compared with the normal physiological structure, the bumps with bone lesions will have certain symptoms. If there is pain on pressure or abnormal function of the hand, it may be a localized lesion. It is recommended to seek early medical treatment for a clear diagnosis and specific treatment.