The term "Italian artillery" originated from the TV series "Bright Sword". In the 14th episode, Li Yonglong's dear wife was kidnapped by the Japanese. They threatened Li Yonglong on the tower not to attack the city. His wife asked him to attack the city. Li Yonglong was furious and shouted with tears in his eyes: "Second Battalion Commander, where's your damn Italian cannon!" Fire! fire! fire! "The battle was victorious, and he also lost his beloved wife. However, this line eventually became widely circulated.

The author of the novel "Bright Sword" is the new-school writer Du Liang. His debut novel is " "Bright Sword" was adapted into a war-related TV series by Hairun Film and Television Production Co., Ltd. in 2005, produced and distributed, and was broadcast on CCTV 1 prime time. After the film was broadcast, it aroused widespread social repercussions and aroused people's hearts. Deep patriotic feelings. It has been repeatedly broadcast on many TV stations. It has been 12 years since "Bright Sword" was first broadcast, but this TV series is still loved by the people regardless of age, job, or identity. A powerful opponent must draw his sword resolutely even though he knows he is outmatched. Even if it falls, it will become a mountain and a ridge. "This famous saying of Li Yonglong has also become an eternal spirit of Li Yonglong, and it is also the national spirit of the Chinese people to be unyielding and never give up in the face of hardships.