Mutual exemption of photography means that photographers take private photos of people, and photographers and subjects do not charge each other. It is suitable for a kind of mutual assistance behavior that both sides want to shoot private houses, one side wants to practice but there is no model, and the other side wants to shoot but there is no photographer.

Shooting is free, some people call it free, mutual encouragement and so on. In other words, photographers and models are free. Photographers shoot for models for free, and models model for photographers. Mutual exemption between models and photographers is generally more common among amateurs.

Amateur photographers can use models to practice shooting, learn to guide models to pose and improve their shooting ability; Amateur models can practice various shooting poses with the help of photographers, get familiar with the shooting process and get pictures. Models and photographers have their own needs and exercise their abilities.

Of course, some mature and well-known photographers and models will also cancel each other's appointments in order to create. At this time, their common goal is to cooperate in creation, use their fame to add points to their works and better promote themselves.