The flower-in-the-heart age is an ancient name for a woman's age, which first appeared in the poems of Fan Chengda, a poet in the Song Dynasty.

Hua Xin was later quoted by people, specifically referring to a woman who is twenty-four, and generally referring to a woman who is young and beautiful.

Nowadays, people speak very directly, and what we want to express will be said directly in the simplest words. Just like our age, we will directly say the numbers. In ancient times, people had a word to describe each age stage, such as the flower-loving years. The ancients took five days as a waiting period, and a month * * had two solar terms and six periods, from slight cold to Grain Rain, and one * *.