What is Wei Zi Doodle and who is its founder?

Wei Zi Dou Shu is a skill to calculate a person's life span according to his birth time, which belongs to the life category of China's five skills.

As for the origin of the number of fights, there are different opinions. The most common saying is that in the preface of Wei Zi's book, it is mentioned that Chen Tuan, a Taoist priest in Huashan Mountain, is a master of fighting numbers, which originated from Mr. Yi Xi.

I hope my answer is helpful to you.