Production on the film began in March 2009 with shooting on location in China's Hebei province and in Hengdian World Studios in Zhejiang.
Her "soothing and ethereal voice" was considered appropriate for the lofty spirit of the song, "Solitary Orchid" (Chinese: 幽兰操; pinyin: You Lan Cao), which is based on an ancient work by Han Yu.
As the film is made in Mandarin, many expressed concern that Chow, a native of Cantonese-speaking Hong Kong, would lack the requisite Mandarin-speaking skills to portray the revered philosopher.
Such concerns were only exacerbated after mainland star Pu Cunxin criticized Hu Mei's script as containing inappropriate levels of action and romance for a film based on Confucius' life.
[10][11] The Hong Kong newspaper Apple Daily speculated that the Chinese authorities were worried Avatar had seized the market share from domestic films and noted that many of the vacant cinema slots would be replaced by Confucius,[12] and the film would be "drawing unwanted attention to the sensitive issue" concerning forced evictions of Chinese homes.
This choice appeared to be at least partly based on the financial performance of the two films, with Avatar grossing nearly 2.5 times more money per day.