The human body is very delicate and responds very sensitively to magnetic fields, air flow, temperature changes, etc. Although these effects are unlikely to affect you in painful or extreme ways, over time, It will cause harm to your physical and mental health. The knowledge of Feng Shui Yangzhai placement is to solve the problems of magnetic field distribution, ground temperature, lighting, ventilation and other problems in the house. It is the architectural science accumulated by the ancients. The treatment of the ghost house reflects the ancient people's concept of treating death as life, and also reflects the clan concept of the Chinese nation. Over a long period of time, a whole set of theories has been formed, but most of these theories, like traditional Chinese medicine, are "prescriptions" compiled based on factual records. "Of course there is no "scientific" truth. It is human nature to seek advantages and avoid disadvantages. Just pay appropriate attention and don't be too superstitious.