It introduces prevention measures for common problems in construction of aluminium alloy door and window from bad integral rigidity of aluminium alloy door and window、low-protection for production and leakage of door & window,and puts forward matters need attention in construction to ensure construction quality.

The effect of the leakage with a window on the save energy of plastic windows;

The causes of external window leakage in residential engineering and its prevention and cure;

The leaking window which is the highly representative traditional design element plays an indispensable role in the Chinese classical garden art.

This paper studies the leaking window in Chinese classical gardens in terms of its type, position and pattern.

Being a particular design and one of the tools of Jiejing(view borrowing) in Chinese Garden art,the leaking window plays a significant role in initiating an artistic space,strengthening specific aesthetic value and enhancing respective beauty in the garden art.