If conditions permit, it is best to install doors in the kitchen.
A lot of soot
Because the kitchen often cooks and cooks, the oil smoke is relatively large. If there is no door, the room outside the kitchen will also drop a layer of oil smoke, which is not easy to clean, so that the decoration of the room will lose its luster and the aesthetics will decline.
Leave the smell of food.
The room smells of food everywhere.