The invention discloses a concrete mixing and transporting car which mainly and structurally comprises a front rack, a rear rack, a cab, an anti-explosion diesel motor, a twisted frame, a mixing pot, feeding ports, a discharge port, a planetary gearbox, front wheels, rear wheels, a diesel box, and a hydraulic oil tank, wherein the diesel motor is designed as being high in power and anti-explosion, so as to adapt to a severe environment underground; two feeding ports of the mixing pot enable the feeding speed to be increased; the inner wall of the mixing pot is designed as spiral linear bladesso as to enable the mixing and the discharging of a concrete flat pot to be quicker, more uniform, and cleaner; the feeding ports and the discharge port are in conical surface seal, thus being simpleand stable; a seat of the cab can be rotated laterally, thus enhancing the steering view and the comfort; and the car is advanced and reasonable in design, convenient for use, and safe, stable and reliable, and is a very ideal anti-explosion concrete mixing and transporting car underground.