C227 Lessons

Lu Zheng's medical skills came from < The Qing Huang Jing >, and < The Qing Huang Jing > was a huge medical encyclopedia written by the sages of Fairy Doctor Sect who had worked hard to compose it.

On Earth, there was the theory of traditional Chinese medicine and western medicine, but there was no distinction between traditional Chinese medicine and western medicine in "Qing Huang Jing"