Nowadays, scientific innovation has got breakthroughs. These advanced technologies benefit people. For example, flow the development of medicine, a lot of people are living longer. This phenomenon led to the global average age are gradually climbed. In this current situation, some people believe that this can dedicate people’s development. But in my opinion, longevity is harmful to human progress. This essay will illustrate the reasons cause of people are living longer, and will explain the longevity of people is negative.