A medical head mast lifting system comprises a main frame (1), a driving device (2), a transmission device (3), a main body component (4), a first connecting rod (11), a second connecting rod (12), a third connecting rod (13) and a connector (5), wherein the driving device (2) drives the main body component (4) and the third connecting rod (13) through the transmission device (3), and the driving device (2) is connected to the main frame (1) through a first rotating shaft (S1) the main body component (4) is connected to the main frame (1) through a third rotating shaft (S3), connected to an output component of the transmission device (3) through a second rotating shaft (S2), connected to the connector (5) through a fifth rotating shaft (S5) and connected to the second connecting rod (12) through a sixth rotating shaft (S6) the third connecting rod (13) is connected to the main frame (1) through a fourth rotating shaft (S4) and connected to the second connecting rod (12) through a seventh rotating shaft (S7) the first connecting rod (11) is connected to the second connecting rod (12) through a ninth rotating shaft (S9) and connected to the connector (5) through an eighth rotating shaft (S8) and the first to the ninth rotating shafts are parallel to each other, the third, fourth, sixth and seventh rotating shafts form a first parallelogram, and the fifth, sixth, eighth and ninth rotating shafts form a second parallelogram.Un système de levage de mât pour tête médicale comprend un cadre principal (1), un dispositif dentraînement (2), un dispositif de transmission (3), un constituant corps principal (4), un premier élément de liaison (11), un deuxième élément de liaison (12), un troisième élément de liaison (13) et une pièce de raccordement (5), dans lequel le dispositif dentraînement (2) entraîne le constituant corps principal (4) et le troisième élément de liaison (13) par lintermédiaire du dispositif de transmission (3), et le dispositif dentraînement (2) est relié a
