Xu Dan is a notable figure in the realm of Chinese cinema, particularly recognized for his impactful performances in the late 20th century. His role in "Qing tian hen hai" (1980) is a standout, capturing the hearts of audiences and showcasing his range as an actor. This film, revered for its poignant narrative and rich cultural references, has become a coveted item among collectors, especially those focused on classic Asian cinema. Collectors seek out Xu Dan's work not only for its artistic merit but also for its historical significance in the evolution of Chinese film. His performances often reflect the societal changes of his time, making them valuable artifacts in film history. As collectors delve into the depths of home video releases, editions of "Qing tian hen hai" in various formats are particularly prized, with special editions and remastered versions offering a glimpse into his enduring legacy in the industry. Xu Dan’s contributions continue to resonate, making his films essential acquisitions for any serious collector.