From the perspective of geomantic omen, the screen has the functions of blocking evil spirits, receiving blessings, gathering gas and hiding things. Moreover, the auspicious patterns above can also enhance the wealth of residents and show their literacy. In fact, among all the things that block evil spirits, the feng shui function of the screen is very significant. Nowadays, the geomantic status of screen as decoration is increasingly prominent, creating an auspicious artistic conception indoors. If the screen is properly placed, its geomantic significance will have an immeasurable role in promoting daily life and work and study. The porch screen is mostly related to the door, and the porch screen of modern home feng shui has many manifestations of this function. Some homes are close to the road, others are close to factories, construction sites, garbage factories, hospitals, temples, funeral homes and so on. Such a geomantic field naturally affects the good or ill luck of the portal, and the role of the porch screen is highlighted.
I hope it helps you!