What is the function of the bathroom mirror hanging on the door?

For the case that the bathroom cabinet is facing the bathroom door, that is, the washstand is facing the door, the mirror should not be hung on the washstand, and it is best to hang it on the right hand side or the right hand side of the door. In fact, it is also very bad that the absorption frame is facing the bathroom door. The specific reasons are as follows: First, in bathroom geomantic omen, mirrors have special power to reflect space energy.