What are the six Rennes in the Book of Changes? What are the mainstream divination now?

The Book of Changes includes Lianshan, Ghost Stories and Zhouyi. The first two books have been lost, and the Book of Changes we are talking about now refers to the Book of Changes. The study of Yijing is divided into the school of righteousness and the school of imagery. Liu Ren is one of the three major styles in ancient China, namely Taiyi, Qimen and Liu Ren. To put it more popularly, Taiyi is to calculate the sky, Qimen is to calculate the land, and Liu Ren is to calculate the personnel (if you look at the TV series, what you count with your fingers refers to Liu Ren). In addition, there are four pillars (also called the Tiangong map) that tell fortune according to the time of birth. I think plum blossom is easy to learn, fast to learn and flexible in divination. You can calculate the results quietly, and it's not bad to learn plum blossoms first ~

I typed so many words myself, so the best answer is me ~