What is the wonderful number of plum blossoms?

It is one of the ancient divination methods in China.

1, the plum blossom second is another name for the easy number of plum blossoms, which is said to have been written by Shao Yong, a Yi-ology scholar in the Song Dynasty.

2. The Book of Changes of Plum Blossoms originated from Hanshu, which is a divination book based on the mathematics in Yi Xue and combined with Xiang Xue in Yi Xue.