The original name of the film was "Asian Brothers", which tells the story of a group of friends from home and abroad who come together to complete the transformation from losers to successful people. However, in the process of repeatedly revising the script, everyone felt that the name was not eye-catching enough and was not enough to reflect the positive and happy and humorous tone of the film. Therefore, the title was changed to "방가방가방가". In Korean, "방가방가" was originally a popular Internet term, which means a greeting between two people, equivalent to "Nice to meet you". Although "방가방가방가" is full of happiness, it is quite tongue-twisting to read. After the preview and listening to the audience's opinions, the film finally omitted a "방가" and became the catchy "방가방가". In addition to borrowing Internet buzzwords, the title also implies the surname of the protagonist "Fang Tae-sik", because "방" in Korean is the corresponding character for "Fang". In the early stages of the film's planning, finding the right actors also became a headache - where can you find so many foreign friends who can act all at once? Just then, the crew accidentally saw the news in the newspaper about the announcement of the singing competition held by KBS TV station. The winner was a foreign friend, and he was also the first foreigner in Korea to win this honor. The crew immediately contacted the other party and invited him to participate in the performance. In addition, there were several foreign actors who had participated in the filming of "Barefoot Dreams", "Itaewon Murder Case", "Outlaw" and other films, and had certain acting experience. The film is not only a happy work reflecting the struggle history of small people, but also an intersection and exchange of different regional cultures. ·The main scene of the film is the "superstar industry" where the protagonist works. For this reason, we came to the real factory to shoot, and many real employees appeared in the film. ·There is a highlight that reflects the plot of the male and female protagonists dating on motorcycles. Originally, the crew designed a romantic scene, but suddenly a heavy snowstorm fell from the sky, and the sky and the earth were all white in an instant. Everyone simply changed the background of this emotional scene to flying snow, which unexpectedly produced an unexpected aesthetic feeling. ·Since the actors participating in the show come from all corners of the country, due to different religions and diets, the crew had to take this into consideration when preparing meals. Therefore, the two Muslim actors enjoyed special treatment. When everyone was eating barbecue (pork belly), they ate expensive beef.