He appeared in several social realist films in the early 1930s with Ruan Lingyu, Jin Yan, Wang Renmai and Li Lili and, together with Zhang Zhizhi, lightened the serious subject matter with a comic touch as a supporting character.
Hans' most important films from this period include Tao hua qi xue ji (The Peach Girl, 1931) by Bu Wancang, as well as Ye meigui (Wild Rose, 1932), Xiao Wanyi (Little Toys, 1933), Ti yu huang hou (Queen of Sports, 1934) and Dalu (The Big Road, 1935) by Sun Yu.
In Cai Chusheng's Yu guang qu (Song of the Fishermen, 1934), Han Langen played a leading role.
In her film 王老五 (The Bachelors, 1937) directed by Cai Chusheng, Lan Ping played the female lead, who later also became known as Jiang Qing as Mao Zedong's fourth wife.
He made one last film with Yin in 1957 (The Unfinished Comedy), but it was not distributed in cinemas because of the dissolution of the Hundred Flowers Campaign after harsh criticism of the Party, and the beginning of the anti-rightist movement in 1957–58.