Provided is a medical massage instrument used for rehabilitation therapy, comprising a bottom plate (1), a support plate apparatus (2), a fixing apparatus (3), a connection cable apparatus (4), a cylinder apparatus (5), a wheel apparatus (6), a positioning apparatus (7), and a striking apparatus (8) the bottom plate (1) is provided with a first support (11), a first inclined bar (12), and a second support (13) the support plate apparatus (2) comprises a support plate (21), a first roller wheel (22), a first vertical bar (23), a second roller wheel (24), a third support (25), a first electric motor (26), a first output shaft, a second vertical bar (27), a third roller wheel (28), a fourth support (29), and a third vertical bar (20) the fixing apparatus (3) comprises a first curved plate (31), a first flexible bar (32), a first horizontal bar (33), a first sponge block (34), a second horizontal bar (35), a first moving bar (36), a first abutting bar (37), and a first spring (39) the connection cable apparatus (4) comprises a first positioning block (41), a second spring (42), a second positioning block (43), and a connection cable (44) the cylinder apparatus (5) comprises a second inclined bar (51), a sixth support (52), a third horizontal bar (53), a seventh support (54), a cylinder (55), a first push bar (56), and a first push block (57). The instrument is capable of performing a thorough massage of a patients body part that needs massaging, and effectiveness of the massage is good.Linvention concerne un instrument de massage médical utilisé pour une thérapie de rééducation, comprenant une plaque inférieure (1), un appareil de plaque de support (2), un appareil de fixation (3), un appareil de câble de liaison (4), un appareil de cylindre (5), un appareil de roue (6), un appareil de positionnement (7) et un appareil de toucher (8) la plaque inférieure (1) comprend un premier support (11), une première barre inclinée (12) et un deuxième support (13) lappareil de pla