According to the cast list of Wang Hongwei film Xiao Wu, this paper introduces Wang Hongwei (Wang Hongwei plays the county magistrate) and Zuo (Zuo plays the county magistrate's wife) in detail.
County magistrate, an official in charge of the administrative affairs of a county. After the Qin and Han Dynasties in China, counties with more than 10,000 households were called county orders, and counties with less than 10,000 households were called county orders.