The utility model belongs to the mechanical braking field of mechanical drive devices, and particularly relates to an electric hydraulic block brake, wherein a pusher of the electric hydraulic block brake and the lower ends of a left moment arm and a right moment arm of the electric hydraulic block brake are all fixed on a base, the upper end of the pusher and one end of a triangle plate are connected through an opening pin shaft, the other end of the triangle plate is further connected with one end of a connecting rod through a pin shaft, one end of the connecting rod is in threaded connection with the right moment arm, a corresponding brake shoe and a brake rubber are arranged on the middle portions of the inner sides of the left and the right moment arms, a main spring is arranged on the lower side of the connecting rod and the upper portions of the brake shoe and the brake rubber, the two ends of the main spring are respectively connected with the left moment arm and the right moment arm, an interlocked equidistance retreat device is arranged on the lower portions of the brake shoe and the brake rubber, the two ends of the interlocked equidistance retreat device are respectively connected with the left moment arm and the right moment arm, and the other end of the connecting rod is in threaded connection with the left moment arm. The electric hydraulic block brake reduces failure rate, is simple and convenient to maintain, prolongs service life, improves labor production rate, and effectively guarantees safety production.