The utility model discloses a dish of flexible brake automatic control system that stops, hydraulic pressure station respectively with the hydraulic pressure business turn over interface intercommunication of electrohydraulic control valve no. 1, electrohydraulic control valve no. 2, electrohydraulic control valve no. 3, electro -hydraulic proportional valve no. 4 and electrohydraulic control valve no. 5, electrohydraulic control valve no. 1 during with the electro -hydraulic proportional valve eating, living, working and discussing together with two sets of automatic clipper joints, electrohydraulic control valve no. 5 and two sets of work clipper joints, electrohydraulic control valve no. 2 and three and four group security clipper joints on the electrohydraulic control valve, signal output part of PLC controller and electro -hydraulic proportional valve's no. 4 winding connection, another output of PLC controller 24V power, 24V power in proper order with other brake signal switch D and scram key A serial link, the scram key A other end divide into the four ways, another signal input part of PLC controller is with having met a plurality of safety signal. The utility model discloses a device has improved brake stability and security.