The invention discloses a spring combined magnetic liquid damper, is suitable for damping of longer objects in a spacecraft, and solves the problem of damping of longer objects in the spacecraft. The device comprises a non-magnetic shell (1), bolts (2), nuts (3), a permanent magnet (4), magnetic liquid (5), a spring (6), a non-magnetic shell (7), an O-shaped ring (8), an air hole (9), an annular gap (10) and an air hole (11). The connection among the portions is that the two ends of the spring (6) are rigidly connected with the permanent magnet (4) and the non-magnetic shell (7) respectively; the non-magnetic shell (1) and the non-magnetic shell (7) are in butt joint with each other, are sealed by the O-shaped ring (8), and are rigidly connected by adopting the bolts (2) and the nuts (3); air pressure cavities at the two ends of the permanent magnet (4) in the non-magnetic shell (1) are communicated through the annular gap (10), the air hole (9) and the air hole (11). The spring combined magnetic liquid damper has the advantages of simple structure, high reliability and remarkable damping effect.