We can see how western people think about the death from the ancient Greek myth. In the Christian aspect, your condition after death must be linked with what you have done before death. In the same way, we could find this opinion in Buddhism. They also believe that after human beings die, good people will go to the heaven while bad people will go to the hell. Although most of us are atheists, I think we should do more good things, be kind-hearted and have a clear conscience. It's also beneficial for our mind development.