Abstract: In a miniature solenoid valve having a valve casing with a valve chest and a plurality of flow passages in communication with said valve chest formed therein; a valve body movably received in said valve chest for controlling the communication between the valve chest and said passages; and a solenoid provided adjacent to said casing for moving said valve body by means of a plunger, the casing is formed with an opening in communication with the valve chest, the solenoid is removably received at one end of the solenoid in the opening and the valve casing and the solenoid are secured together by means of fixing means including fixing pins passing through the casing and solenoid.