What is the principle of using photography and recording in movies?

According to the principle of visual persistence, movies use photography (and recording) to record images (and sounds) of external things on film, and through projection (sound reproduction at the same time), the moving images are projected on the screen (synchronized with sounds) by electricity to express certain contents.

Matters needing attention in film shooting

Don't drink before shooting, bring everyone entertainment in advance. Entertainment after shooting is a wise choice.

Things that are not important to the executive director, journalists, cameramen and recorders, and embarrassing situations at the scene may all trigger the butterfly effect.

Communicate well with photographers, lighting engineers and actors, and the pre-shooting process (don't be idle when the director is talking about the play. Strictly speaking, when a director tells a play, he must listen carefully to the scene.