What does human life mean? We are always searching for its value and meaning. For some people, suffering is not necessary for life, but it is indispensable. It is the sublimation of life. This article is based on some of my own personal experiences, and through the description of some of the people around me who are suffering, I hope that those of us who live a happy life can learn something. Ordinary life, for ordinary people like us, is nothing more than surviving by instinct. Many people think this is very simple, but for those poor suffering people, this is the biggest problem they need to solve in this life. Perhaps, when we are dying, when we can smile and say that at least we have survived, then life will be complete. But there are still some people who don't even have a chance to say goodbye. So, what about his life?