PURPOSE: To prevent the generation of loud passage noise during the passage of fluid through a solenoid valve device when a pressure difference between the inlet side and the outlet side of the solenoid valve device is high.

CONSTITUTION: A communicating passage 20 for interconnecting a lower valve chamber 7 and a flow passage 11 on the outlet side bypass a passage in a main valve body 3 of a solenoid valve device is provided. A solenoid valve 21 for controlling a pressure is located to the communicating passage 20, and in prior to control of a main valve body 3, a solenoid valve 21 for controlling a pressure is driven.