1. An old person who is 80 years old can also be called the year of Chao Mei, the year of Chao Zhi, or the year of [mao] and [die].

2. Old age: generally refers to old age. Old, eighty or ninety years old. Old, seventy or eighty years old. An octogenarian refers to eighty or ninety years old. Mao Chuan also said: "Old, old, eighty is called an old man." Later generations called old people aged eighty or ninety "Old Man".