In 2020 Xian participated for the first time in the CCTV New Year's Gala where he performed "Hello 2020". In the same year he has two starring films postponed due to the COVID-19 pandemic; "The Enigma of Arrival" and "Soul Snatcher". He played Xiao Long in "The Enigma of Arrival." Later, he made a special appearance as IT staff in the Chinese entry for the Best International Feature Film at the 93rd Academy Awards, Leap. Later he starring in Mei Feng first directed romance film "Love Song 1980." The film was adapted from Yu Xiaodan's novel "The Lover in 1980". It follows this character which is set in the 1980s, facing the fate of the times and social waves, using love as a guide, seeking spiritual truth. Marko Stojiljković of Asian Movie Pulse wrote: "here is more than just a dash of everyman in Li Xian’s interpretation of Zheng Wen that could have been seen in some of the finest European actors of the past (for instance, Marcello Mastroianni)..." His final film of the year was in Song Haolin's f adventure fantasy film "Soul Snatcher" Xian sang the soundtrack title "Glorious Future (Qian Cheng Si jin)" with Chen Linong, which peaked at No. 8 on Billboard China Social Chart.