50 years old can be called "the year of know life", "the year of knowing right from wrong", "the year of great development" and "the year of loving service".

In addition, there are other age appellation, such as: 30 years old is called "the year of standing"; 40 years old is called "the year of no doubt"; 60 years old is called "the year of flowers and flowers" and "the year of hearing"; 70 years old is called "seventy years of age"; 80 years old is called "the year of the rod dynasty"; 90 years old is called "the year of backbreaking" and so on.