The invention relates to the technical field of elevators, in particular to a four-door elevator which comprises an elevator car, an elevator car frame, elevator car guide rails, a counterweight device and a traction device. The elevator car is provided with car doors in the front direction, the rear direction, the left direction and the right direction of the horizontal direction and portal cranes for driving the car doors to be opened or closed. The elevator car frame comprises an upper beam, a lower beam and columns, the lower beam is arranged below the elevator car and located on the diagonal of the bottom surface of the elevator car, and the columns are vertically arranged on the two opposite angle sides of the elevator car. The elevator car guide rails are vertically arranged and disposed on the same side of the columns. The counterweight device comprises a counterweight frame, a counterweight block and a counterweight guide rail. The counterweight frame is arranged on one side of the elevator car and is in triangular distribution with the elevator car guide rails. According to the four-door elevator, the opening and closing of each car door can be controlled independently, people in different directions can enter the elevator conveniently, people go in and out of the elevator quickly, the conveying efficiency of the elevator is improved, and the counterweight frame is high in structural strength and bearing capacity and operates stably.