(2) An "ego-generated" sequence may be of two kinds, i.e. shang-kuan, in which a Yang ego generates a Yin offspring or a Yin ego generates a Yang offspring (such as chia / wood generating ting / fire), or conversely shih-shen, in which a Yang ego generates a Yang offspring or a Yin ego generates a Yin offspring.
（二）我生者為「傷官」、「食神」：其中陽我生陰子、陰我生陽子為「傷官」，例如甲木生丁火，丁火就是甲木的「傷官」；反之陽生陽或陰生陰的情況，就稱為「食神」。