High-air-sealed sliding door and window

The invention discloses a high-air-sealed sliding door and window which comprises a door and window frame and door and window sashes. The door and window frame comprises an upper frame, a lower frameand two side frames, sliding grooves are formed in the upper frame and the lower frame, the door and window sashes horizontally slides through the sliding grooves, guide grooves for improving air sealing performance are formed in the tail ends, close to the corresponding side frames, of the sliding grooves, lock seats are arranged on the side frames, locking mechanisms matched with the lock seatsare arranged on the side surfaces of the door and window sashes, and pulleys matched with the sliding grooves and the guide grooves are arranged on the upper top surface and the lower bottom surface of the door and window sashes. The sliding door and window is high in air sealing performance and has good heat insulation effects. 种高气密性推拉门窗，包括相互配装的门窗框和门窗扇，所述门窗框由上框、下框和两个侧框围装组成，所述上框和下框上分别开设有供门窗扇横向滑移的滑槽，所述滑槽靠近侧框的末端设置有用于提高气密性的导向