After the filming of the TV series is completed, the production company should be reviewed by the State Administration of Radio, Film and Television to see if there is any violation of the policy, so as to decide whether it needs to be revised and whether it can be broadcast. This is especially applicable to major historical themes.
After the TV series was finished, it was recognized by the top management, and then naturally it was to find a broadcasting platform. Because after all, broadcasting on TV is the main way for production companies to make money.
Expert analysis: after some TV dramas are finished, they don't talk about audio-visual products, and most of them rely on the audience to join in front of the TV. The TV series can't be broadcast smoothly, and no TV station buys it. Xie Fei, a famous director, analyzed that this is related to the congenital deficiency in the production of China TV series. Compared with foreign countries, China's TV dramas belong to "non-futures production", which means that many TV dramas can't be broadcast after they are produced.
But this is not the case in foreign countries. They are all "futures products". Before the filming, TV stations have already purchased TV dramas and invested money in advance to ensure the complete broadcast after the filming is completed, as well as in China, Taiwan Province Province and Hongkong.
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I hope my answer can help you.