Solenoid valve for brake system

Disclosed is a solenoid valve for a brake system. The solenoid valve for the brake system according to an embodiment may include an armature positioned inside a sleeve and configured to move up and down along an axial direction together with a plunger to open or close an orifice of a valve seat, and a damper provided between the armature and an inner upper end of the sleeve, wherein the damper may include a body portion inserted in a coupling hole provided in an upper side of the armature, and a head portion being at least two or more bending arms divided by a slot extending in a diameter direction, the head portion being provided at an upper end of the body portion.