He reportedly achieved success as a model within one year of signing.
Cheng is based in Taiwan and also counts China, Hong Kong and Japan as his main target markets. It was this role that kick-started his acting career.
Lin's performance in the drama won her the Best Actress award at the 43rd Golden Bell Awards, making her the first actress in history to win the award with an idol drama.
The same year, she released the single "Adventure of Lunia" as the theme song for the video game Lunia: Record of Lunia War.
Cheng also endorses several food, jewellery and clothing brands; the most recent being Chinese green tea brand Kang Shifu (for which Cheng starred and recorded a song with Mike He and Taiwanese actress Joe Chen) as well as casual wear brand N a (with Taiwanese singer-actress Cyndi Wang). Excluding drama serial memorabilia, Cheng has released three pictorial books in addition to four calendars and one mini pictorial in conjunction with the release of his EP in 2009.