Compared with curtains, shutters, which can be flexibly adjusted, have the functions that curtains lack. In terms of shading, shutters can not only resist ultraviolet radiation, but also adjust indoor light; In in terms of ventilation, the fixed installation of shutters and the thick texture can comfortably enjoy the cool breeze without other concerns; The floating of curtains will be hidden in indoor life, the laminated design of shutters ensures the privacy of the home. In addition, when the shutters are completely closed, it is like an extra window, which can play the role of sound insulation and heat insulation.