The utility model relates to a multi-functional folding photographic camera dark box. The housing is made of light-proof folding material, movable struts are arranged at the four angles, a soleplate is provided with an enlarger which adopts natural light as luminaire. The utility model can be folded when not using in order to convenient carrying. The utility model has the functions of developing film, printing image, enlarging and photographing, which provides a photographic appliance of printing and enlarging for non-electric areas. The multi-functional folding photographic camera dark box is suitable for field photographers and can also be used as a teaching appliance for middle and primary schools.