I. Canonical Essence & Metaphysical Foundation
yin yang xiang pei wei he。he hua cheng gong qu jue yu fu zhuFive Elementsde chun cui，ji zheng he（er zheng yi）、du he（ke he zhe）。ruo he er wang yong（wei tan he er sun qi ben zhi），ze fan bu mei。he gui zai yu qing chun。
II. Canonical Formulas & Deduction Rules
Formula & Verse
Formula for MY 018 Heavenly Stemshe hua:he hua you qing，ji zheng du yu tian shi。
- PROMOTE(Heavenly Stemshe hua fa ze ben ge): Heavenly Stemshe hua fa ze：yin yang xiang pei wei he。he hua cheng gong qu jue yu fu zhuFive Elementsde chun cui，ji zheng he（er zheng yi）、du he（ke he zhe）。ruo he er wang yong（wei tan he er sun qi ben zhi），ze fan bu mei。he gui zai yu qing chun。
- EVALUATE(Heavenly Stems and Earthly Branchespei he yu ji shen sheng zhu): jie heMonthly Commanderqi shu yu san fang si zhengUseful God (Key Remedy)，kao liang sheng wang fu chi zhi gong。
- SUPPRESS(Taboo Godqin rao yu po ju xing chong): ruo feng sha xing chong po、yang ren bo xue huoVoidness (Xunkong)Taboo God，ze ge ju shou sun huo jian fu。
- WARN(da yun liu nian sui yun fou tai): shen shi xing yun zou sheng wang huo xiu qiu zhi di，pan ding yi sheng jin tui zhi jie yu ying yan qi。
III. Promote Conditions & Clash Avoidance
Jing Xuan Ming Li Yue Yan Classics Theorem: MY 018 Heavenly Stemshe hua dreads Earthly Branch Six Clashes, Three Punishments, and Voidness. Branch clashes break structural harmony.