Are all fortune-telling books based on Zhouyi? For example, the current hemp god, touch the bone, six, plum blossom.

Related, but can't say evolution. The five schools of mountain medicine divination are separated, each with its own clan vein. Zhouyi rehearses divination according to the changes of characters in time and space, which is the pulse of divination; Four-pillar numerology comes from the five elements system, which is the pulse of life; Face and bone and bone are based on integration, which is a system of phase method; The five schools are inseparable from the way of Yin and Yang, and some also use divination images, such as eight-character divination and palm divination, so they are all related to Zhouyi. As for the number of plum blossoms, it is most closely related to Zhouyi, which is based on divination, but the method of divination is different from the ancient method.