Abstract: A fluid control valve wherein a main valve body includes: a high-pressure passage for providing communication between a suction port and a sleeve in which a spool is fitted; a tank passage for providing communication between a discharge port and the sleeve; a lift lock poppet located between the sleeve and a cylinder port and capable of assuming an open position for providing communication between the sleeve and the cylinder port; a hydraulic fluid discharge passage for providing communication between a back-pressure chamber provided within the lift lock poppet and the sleeve; a hydraulic fluid delivery passage located between the sleeve and the lift lock poppet; and a cylinder passage located between the lift lock poppet and the cylinder port and allowed to communicate with the hydraulic fluid delivery passage when the lift lock poppet is in the open position, is further provided with a communication passage for providing communication between the hydraulic fluid discharge passage and the hydraulic fluid del