2. Four pillars refer to the time when a person was born, that is, year, month, day and hour. When people use "heavenly stem" and "earthly branch" to represent year, month, day and hour respectively, such as Jiazi Year, Shen Bingyue, Xin Ugly Day and Renyin Time.
3, two words in each column, four columns of * * * eight characters, so fortune telling is also called "measuring eight characters."
4. According to the relationship between yin and yang attributes and the five elements of heaven and earth, it is inferred that the human body is blessed.