Generally, there are cloth curtains, grass curtains, bamboo curtains, pearl curtains and so on hanging on doors or windows to keep out the wind and prevent mosquitoes and flies.

curtain wall

1. The curtain is hung on the window.

China has had windows since ancient times. For windows, some people think that they should be covered with things, so there are curtains.

At first, people had no cloth and paper. They use leaves as curtains. Later, after people had cloth, that is, silk, the rich and powerful people of the royal family had silk as curtains. Later, after Cai Lun invented and improved papermaking, most ordinary people could have paper as curtains.

The main function of curtains is to isolate the outside world and keep the privacy of the room. At the same time, it is an indispensable decoration for home decoration. In winter, curtains divide indoor and outdoor into two worlds, adding warmth to the room.

Modern curtains can not only reduce the light and shade, but also meet people's needs for different light intensities; It can also prevent fire, wind, dust, heat, sound, heat, radiation and ultraviolet rays, and improve indoor climate and environment. Therefore, the ingenious combination of decoration and practicality is the biggest feature of modern curtains.