In fact, a writer is a career of writing and planning. General variety shows have scripts. What questions to ask, what games to play and how to play them are all come up with by these writers. The character setting is very detailed. In many cases, even the artist's name, lines and posture are preset, which are all set by the screenwriter in advance. . .

And PD is the core leader and person in charge of a TV production center, which is actually a producer and director.