I would like to ask: What is the main purpose of the study of Yi-ology in Qimen,,, Eight Characters, Feng Shui, Choosing a Date?

1. Qimen, arranged in a disk with time factors, was used in ancient times for marching and fighting, ambush and siege. Now it is used to predict all aspects, such as work, marriage, seeking wealth, loss and so on. , also used for fortune telling and auspicious choice.

2. Six hexagrams, mainly used for manual divination (some in time, some in random online), are used for various aspects of prediction, such as work, marriage, seeking wealth, getting lost, etc. , also used for divination.

3. Liu Ren, arranged in a time-dependent style, is mainly used for all aspects of prediction, fortune telling and lucky choice.

4. Eight characters, arranged in four columns by time factors (that is, eight characters), are mainly used for fortune telling and calculating a person's life fortune.

5. Lagerstroemia indica, arranged in a disk by time factors, is mainly used for fortune telling and calculating a person's life fortune. More advanced than the eight characters, it is discharged from the twelve houses of Shougong, Caigong and Xionggong, and is calculated by more than a dozen flying stars.

6. Feng Shui, according to the direction of sand water in the Dragon Cave, calculates the good and bad of the environment such as houses and cemeteries, and the good and bad of the environmental direction.

8. Choosing a date means choosing an auspicious day to do something, such as getting married, going out, building a house and laying the foundation stone.

In addition, Taiyi, Xingming, Meihuayi, Iron Plate, Lingqi and various Lingqian are also used for prediction.