The reason why the circular floor mat is used at the entrance of the bathroom is because it is thought that placing a circular carpet in the introduction to Feng Shui will be of great help to Feng Shui. Because there is a saying in Feng Shui that the sky is round, whether it is round or square, it can better stabilize the atmosphere of Feng Shui, which will be of great help to the stability and strengthening of Feng Shui in the living room.