It is generally true that humans ask to retire when they are over 60 years old nowadays. Some people believe that human beings' brain functions would become worse when over a certain age. Moreover, it is not the correct way to let elders keep working because they may make up some troubles. However, some argue that everyone is different. In other words, some workers still have good qualities for completing the jobs. Therefore, it would not the reason for people to leave working places. in this essay, I will discuss both views and present my perspectives.