The invention discloses a convenient and fast crane for a port. The convenient and fast crane comprises a cab, a prime mover, a lifting shaft, a telescopic rod, a lifting hook, oil cylinder rotating shafts, oil cylinders, a rotating disc, a base and moving wheels, the rear side of the cab is connected with an engine compartment, the prime mover is mounted on the upper side of the engine compartment, the inner side of the prime mover is connected with the lifting shaft, the top of the lifting shaft is internally embedded with the telescopic rod, the lifting hook is arranged at the end, far awayfrom the prime mover, of the telescopic rod, the oil cylinders are installed at the two ends of the lifting shaft, the oil cylinder rotating shafts are connected to the tops of the oil cylinders, therotating disc is arranged at the bottom of the cab, the base is mounted on the bottom side of the rotating disc, a balance weight is arranged on the front side of the upper portion of the base, and the moving wheels are mounted on the lower side of the base. The convenient and fast crane for the port is characterized in that the crane is simple in structure, and convenient and practical, in the case of the crane, the angle of the base is rotated through the rotating disc, the occupied space of the crane is controlled, the occupied area is reduced during movement, so that the effect of convenient and rapid movement of the crane in the small space is ensured.