On September 28, 2016, the crew of "The Battleship Island" recorded a congratulatory video for the first London East Asian Film Festival, and revealed the appearance of several protagonists for the first time
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On January 25, 2017, the film crew released the pilot poster and first trailer
; on May 30, the film released the poster and trailer
; on June 7, the film released the first wave of official stills
; 6 On the 15th, the film released an official trailer and poster
; on the same day, the film was produced at the National Museum of Korea, and director Ryu Shengwan attended the event with the leading actors
; in the same month, the film starred for the fashion magazine "BAZAAR". A group of pictorials
; on June 26, the film was officially announced on July 26, 2017
; on July 3, the character’s personal poster was released
; on the 7th, a film promotion event was held at Ilchi Art Hall, Cheongdam-dong, Seoul
; On the 19th, the play held a media preview
; on the 20th, the film held a VIP preview
; in the same month, the film team of "The Battleship Island" and South Korean netizens jointly raised 200 million won and produced the commercial "The Battleship Island" "The real name is Hell Island", looped in Times Square, New York. The video is only 15 seconds long and is broadcast 1,000 times a day on the big screen of Times Square for a week
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