The bedroom window has a big chimney in the northwest, which is the most serious problem, which is extremely unfavorable to men at home. In the southwest, it is very bad to have pregnant women at home; In the southeast, it is not good for children's study; Flushing the toilet is easy to cause diseases of digestive and excretory systems; The most important thing is to see if your house is in the downdraft. There is no solution in the downdraft. Feng Shui pays attention to seeking good fortune and avoiding evil. If it is not possible, it will change or seal the window. The upper draft can be solved with a gossip convex mirror, and five emperors' coins are placed or stuck behind the convex mirror. Those are five ancient coins of the Qing Dynasty. They are Shunzhi, Kangxi, Yongzheng, Qianlong and Jiaqing, respectively. The convex mirror has the effect of removing evil spirits, and the five emperors' money can improve the effect of the convex mirror, because the five emperors' money has three atmospheres of heaven, people and earth, so it has this ability.