  We are on the threshold of a significant change in the way we view digital
life, which will have a major effect on the physical world. Computers have
increasingly emulated deceased human beings through growing awareness in the
fields of artificial intelligence, big data, and machine learning, and have
symbolically managed to overcome death with the help of technology. One thing
is clear, though: now that there are proper and legitimate discussions
happening about human immortality, we can be certain that the future is upon
us. This article attempts to explain and challenge the ways in which digital
immortality, in particular, has manifested itself. This paper summarizes the
technological solutions, research findings and technical challenges of major
researchers by reviewing the key technologies and general technical schemes in
the field of digital human beings. The prospects of digital human beings are
being investigated.
