In the modern world, an increasing number of people live longer than before thanks to the medical advancement. As consequences, there are several prominent merits emerged. For example, people can now enjoy longer life with more quality time. The amount of knowledge one can pass to the younger generations increased. On the contrary, the cost to support old people is continuously on the rise and the burden to take care of them became heavier to their children and grandchildren. I would like to discuss the longer life expectancy's advantages and disadvantages and finally want to state that I believe its benefits outweigh the drawbacks.