Emanuel Swedenborg, a Swedish scientist, philosopher, theologian, and mystic, lived between 1688 and 1772. In 1741, due to his dreams and visions, he entered a time when he experienced quite different experiences. In his works, Swedenborg wrote that he went to the spiritual realm, saw heaven and hell there, saw spiritual beings such as angels, and chatted with them, communicating that he was enlightened spiritually in a way. Swedenborg wrote several works for this purpose, claiming that God had given him the mission of reforming Christianity. This essay explores one of the most influential figures in the history of Christianity, Emanuel Swedenborg’s views on heaven and hell. Additionally, by referring to his works, it explores and analyzes the thoughts of Swedenborg about life after death, who influenced many people with his works. Ultimately, in light of the data collected, it assesses the position of Swedenborg in the history of Christianity.