What does it mean to tear down bazi county?

According to the date of birth of each person in the lunar calendar, including the four pillars at the time of year, month and day, each pillar consists of a pair of ten heavenly stems (A to Deck) and twelve earthly branches (Zi to Hai), and the four pillars form a life-style combination of eight characters, which can approximate the fate of a person's life. The process of life is calculated by analyzing the eight characters in a specific way, commonly known as "disassembling the eight characters".