1. Breaking a branch of osmanthus is a metaphor for passing the exam.
Source: Tang Dynasty Bai Juyi's poem "Xi Min Zhong Ji Di Occasionally Shows My Feelings": "I knew that I was a young Confucian scholar, but I didn't expect that I would be the first in the field of poetry. I broke a branch of osmanthus and promised it to me first, Yang It's amazing to wear three leaves."
2. Guizhi jade, a proverb of "one branch in Guilin, one jade in Kunshan". Refers to passing the exam.
Source: Preface to the poem "Farewell to the Garden and Returning to the Palace after Enthronement" by Liu Zongyuan of the Tang Dynasty: "Guizhi and pieces of jade, light is born at home." See: "One Branch of Guilin".
3. Become famous by passing the examination, passing the examination in the imperial examination era. Pass the exam and get fame.
Source: The third chapter of "Good Scenery" by Dai Shanfu of Yuan Dynasty: "How can a bachelor be willing to be like those poor, jealous and jealous people, who get a first place and become famous, but have long since failed to be virtuous and unfavorable." Passed the imperial examination.