Seventy years of age is a formal idiom, which can be used as an object, meaning that a person is seventy years old. The word comes from Du Fu's Poems on Caotang and Two Poems on Qujiang in the Tang Dynasty: "Wine debts are common, and life is 70 years old." Its synonym is over ancient times, and its antonym is Jinse Nianhua.

Ancient and rare, called people seventy years old. Ancient and rare, the original is rare since ancient times, and now it doesn't mean much. However, the past is rare, which is different from the past. Gu Xi is also called "Gu Xi". One of Li Zhi's poems "Guanyin Pavilion" in the Ming Dynasty wrote: "How to be an ancient Greek, you don't know how to suffer." In ancient times, there were differences in addressing age for men and women. Generally speaking, men are called longevity, while women are not called longevity, and they are generally called happiness.

In other ancient times, age appellation was 60 years old, which we can call the year of flower armor or the year of hearing. Seventy years of age is 70 years old. Then 80 years old will be called the year of the rod dynasty. Among them, the octogenarian can also be used to describe the age of 80 to 90. 100 years old We call it Happy New Year.

In addition, there is a tradition of dating cadres and branches in China. Sixty years is a round, so there is a saying that 60 years old is the year of flowers and flowers. Du Fu has a poem saying: "Wine debts are common, and life is seventy years old." Then, seventy has another nickname of "seventy years of age".