Lock device of sliding door and window

The utility model relates to a lockset device of a sliding door and window, which comprises a door and window frame and a lock catch box body, and is characterized in that a reinforcing convex part is integrally formed on the inner wall of the door and window frame, a screw is arranged on the inner wall of the lock catch box body in a penetrating manner, and the threaded end of the screw penetrates out of the lock catch box body and then is screwed on the reinforcing convex part. According to the utility model, no screw is arranged on the outer wall, so that the conditions of dirt storage and inconvenience in cleaning are not easy to occur, the high cleanliness can be kept for a long time, and the quality of a house can be prevented from being influenced; the structural strength of the screw joint of the screw can be enhanced, so that the probability of loosening of the screw can be reduced, and the sliding door and window can have good use performance and long service life; and in addition, the situations of