In recent years, some people agree with the death penalty against violent criminals, while others say that such a way of punishment is unacceptable in modern society. Following the public argument, whether the death penalty should continue or not was discussed at the global meeting, and then some countries have already implemented a law to ban this penalty. However, others, such as Japan, are still sticking to the tradition. In this essay, I will describe the advantages and disadvantages of the death penalty and give my opinions.