What does it mean to be a fortune teller with eight characters? Please help me explain it in simple Chinese.

Refers to the relationship between the heavenly stems of the sun and the heavenly stems contained in the earthly branches of the sun. The heavenly stem of the underground branch is wealth, and the heavenly stem of the underground branch is an official. Generally speaking, it is better for the sun to have officials and wealth to represent your eight-character core. Of course, it must be explained in combination with the eight characters.