Window

Existing windows are fixed, and use glass and the like, and mosquitoes easily enter rooms when the existing windows are opened in summer. The invention provides a window. The window is characterized by being formed by double doors which are respectively a double layer glass window door and a screen window door, wherein the double layer glass window door is arranged inside, and the screen window door is arranged outside. The double layer glass window door is opened and the screen window door is closed in the summer, and the double layer glass window door is closed in winter. The window has the advantages of being simple in structure, convenient to use, and good in effect.