Drainage structure of container and container

The utility model discloses a drainage structure of a container and the container, the drainage structure of the container comprises a top cross beam, a corner fitting, a lining plate and a top side beam; a water guide groove is formed in the top cross beam and extends to the end part of the top cross beam; the corner piece is located at the end of the top beam and comprises an outer end face, an inner end face opposite to the outer end face, an inner side face and an outer side face opposite to the inner side face, a corner piece cavity is formed in the corner piece, and a corner piece hole communicated with the corner piece cavity is formed in the outer end face and/or the outer side face. A water guide hole for communicating the end part of the water guide groove with the inner cavity of the corner fitting is formed in the inner end surface; the lining plate is welded and fixed on the end surface of the top cross beam and covers the end part of the water chute; and the end part of the top side beam is fixe