Door and window drainage structure and door and window

The door and window drainage structure comprises a water accumulation frame, the water accumulation frame is of a hollow frame structure with the top end and the front side free of surfaces, the top end of the water accumulation frame is fixedly connected with an upper cover through bolts, the top end of the upper cover and a water inlet are of an integrated structure, and the middle of the water inlet and the middle of the upper cover are each of a hollow structure. A positioning groove is formed in the side wall of the water accumulating frame, a filter plate is fixedly inserted into the positioning groove, a sliding rod is fixed between the side walls of the front end of the water accumulating frame, the outer side of the sliding rod is sleeved with a turnover plate, and the two sides of the top end of the water inlet are each of a trapezoidal structure. Due to the structural characteristic that the interior of the water accumulation frame is high and the exterior of the water accumulation frame is low, th