The focus of curtains is to protect the privacy and security of the living room, because curtains, like building exterior walls, can prevent snooping. In addition, due to the overall atmosphere of the room to create considerations, curtains are also necessary decoration. The main function of curtains is to isolate from the outside world, maintain the privacy of the bedroom, at the same time, it is an indispensable decoration for home decoration. In winter, the curtains added warm warmth to the house. Modern curtains can not only reduce light, shade light, meet the needs of different intensities of light, but also improve the climate and environment of living rooms by fire prevention, wind protection, dust removal, heat preservation, sound insulation, radiation protection, ultraviolet protection and so on. Therefore, the ingenious combination of decoration and practicability is the biggest feature of modern curtains.