Directed by Gao Ke and starring Ma Li, Chang Yuan, Allen, Wei Xiang and other romantic comedy movies "Li Mao for Prince", which was released nationwide on January 1, in which Yang Jiazhen, played by Ma Li, and Li Mao, the little catcher played by Chang Yuan, are husband and wife, but because Chang Yuan also plays the same looking prince of the Dynasty in the film, when the two characters appear in front of Ma Li at the same time, she even calls herself true and false, "Sometimes I look dizzy." ”

The film tells the story of the marriage of Yang Jiazhen, a rich woman, and Li Mao, a small catcher, although the husband and wife love each other, they have never been recognized by Jiazhen's parents. Li Mao unexpectedly found that he looked the same as the prince of the dynasty, one wanted to enter the palace to get a promotion, the other wanted to go out of the palace to get free, and the two exchanged identities, but they did not know the story of being involved in the Shangshu conspiracy step by step. Director Gao Ke revealed that the film was written for three years just because of the script, during which the script was polished eight times, and sometimes in order to come up with a funny baggage, he was thinking about it for two days in a row, "We are really doing comedy with our hearts." ”
Chang Yuan plays two roles in the film, Li Mao and Prince, so there are often two Chang Yuan playing in a picture, which in addition to the use of computer special effects synthesis, the subtitles of the film also appear in the name of the stuntman, the original some masked characters, are played by stand-ins. Chang Yuan said that when he acted, he was "very divided" because he needed to do a lot of preparatory work before shooting, hoping that the audience could see the difference between the identities of the two people.
Ma Li revealed that the shooting process is very happy, because the actors who have cooperated are friends for many years and have a tacit understanding with each other, but because it is a costume play, it takes more than four hours to make up each time. In addition, Ma Li is also grateful for the company of her husband Xu Wenhe on the shooting scene, "His guidance in performance has helped me a lot. ”