Taiyi, Liu Ren and Liu Yi are similar and all belong to divination, but the situation is different.
There are similarities between Liu Yi and Meihua, both of which are based on the sixty-four hexagrams in the Book of Changes, but the method of divination is completely different from the method of divination.
Qimen is a special subject, but its basic principle is also the change of yin and yang.
Generally speaking, feng shui should be combined with eight characters, and it is best to know six hexagrams, and some even know some strange things.
The name, if the five-grid dissection method is invented by the Japanese, is very popular, but it is too confusing to learn. However, according to the five elements of the eight characters, it is still well-founded.