It means that the front door is facing the back door, the back window and the balcony in a straight line, and the air inlet and the air outlet of the house are opposite to each other, and the air enters and goes, and the wealth comes and goes, so it is not possible to accumulate wealth without gathering gas. Solution: (1) Door to window and door to balcony can be solved by opaque screen; Window to window, you can seal off a window, or install opaque curtains on the rear window. (2) Place "Seven Star Array" or "Seven Star Array of Yuanbao" at the entrance of the gate; Place a "wealth gathering array" or "cornucopia" on the balcony behind the rear window. (3) Place "Five Emperors' Money" in this position under the doorsill or foot pad of the gate, either six Emperors' Money or ten Emperors' Money.