The good and bad luck of geomantic omen mainly depends on backing, regulating qi and practicing. The function of daily classes only played a peaceful role at that time. There is no reason to say that daily classes can be managed for many years. Can think rationally. If daily lessons can really affect the good or bad of an environment for a long time, then Feng Shui will lose its practical significance. Then feng shui students don't have to study mountain air conditioning, let alone go to the mountains to check water, conduct field surveys and the like, and just choose in bed.