If the corridor is long, it should be said that it is already very ventilated, and then letting the wind enter the room and window again is called financial venting; If there are windows in the bedroom near the corridor, it is not suitable, because two windows near each other are easy to cross wind and affect sleep; If the window has been opened at the end of the corridor, the corridor window can be reduced by design, which is not only beneficial to air circulation, but also can ensure sleep.