European and American titles of the first heroine in the Russian romantic film поцелуйбабочки (transliteration: Potseluy babochki) in 2005. Ukov (Russian film emperor) was produced by Russian RTR national television, filmed by Warner Bros. Pictures in mid-2005, and released in Europe and America in July 2006. During this period, Russia ranked first at the box office; Pirates of the Caribbean 1, which was released in the same period, only ranked second at the box office. Therefore, Lan Yan is a household name among audiences in Russia, Ukraine, Britain and other European CIS countries. Later, famous British magazines also carried out follow-up interviews and reports, which laid their position in the European and American Chinese circle. Lan Yan's "Butterfly Kiss" stills was rated as "the combination of Russian Memoirs of a Geisha and Romeo and Juliet" by Russian media. It tells the tragic love story of a China girl who lives in the Russian Chinese underworld, and finally comes together with a noble Russian man for love.