A solenoid valve control device (10) includes a control module (16) that outputs control signals to control solenoid valves (28), and a plurality of solenoid valve modules (12) having control lines (42) connected to the control module (16) and that transmit the control signals to the solenoid valves (28), wherein the solenoid valve modules (12) are connected to the control module (16) or another of the solenoid valve modules (12), and each of the solenoid valve modules (12) includes a data line (44) that transmits to the control module (16) pressure information detected by a pressure sensor (34) that detects the pressure of air supplied to a pneumatic device.