Bazi numerology is widely used in personal destiny analysis, marriage matching, career planning, health prediction, etc. It emphasizes that "fate is determined by heaven, and fortune is created by oneself", and guides the direction of life by understanding one's own destiny. 八字命理广泛应用于个人命运分析、婚姻配对、职业规划、健康预测等，强调“命由天定，福由人造”，通过了解自身的命运来指引人生的方向。