Xiangsheng: gold-water-wood-fire-earth-gold, Xiangke: gold-wood-earth-water-fire-gold.
Eight characters: it is the year, month, day and hour of birth represented by sixty flowers (also called four pillars), a total of eight words, called eight characters.
Looking at its shortcomings or overall, some people emphasize the column of the column. And the name is missing five lines.