Solution: set a porch at the door of the house to let the air at the entrance swirl indoors to form gas, so as to avoid opening the door suitable for direct air. Secondly, you need to hang a feng shui gourd or a string of five emperors' money behind the entrance (the feng shui effect of five emperors' money is much better than that of the gourd). The money of the five emperors must be real. If there is an antique market in the local area, you can collect the ancient coins of the five emperors Qi Shunzhi, Kangxi, Yongzheng, Qianlong and Jiaqing, and then put them at your doorstep. If it is a large-sized house or a small family, you can go directly to the Internet to find the most classic five emperors' money strings, and then put them under the threshold of the entrance door or hang them behind the entrance door. Specifically, it is through this five-element geomantic omen bureau that the airflow is well prevented from going straight into the space, so that the room can keep the geomantic omen of gathering wealth.