Portable folding virtual reality device

A portable folding virtual reality device comprising:

• a cover formed horizontally;
• a mounting case which is provided on a front of the cover and on which an image device such as a smart phone is mounted;
• a lens plate provided with a magnifying lens at a rear of the cover;
• and
• a band which is connected to both ends of the lens plate and through which the device is mounted to a head of a user wherein the mounting case and the lens plate are arranged to form up and downward at a right angle and to rotate by the cover and a front and rear hinges, a supporting plate that rotates left and rightward with respect to a central line of the cover is further provided, and the interval between the front hinge and the rear hinge is identical to the focal distance of the left and right magnifying lens such that the mounting case and the lens plate are arranged to form a right angle with respect to the cover by the supporting plate and thus the focal distance of the magnifying lens is matched automatically to the image on the mounting case when used and further is folded as a thin film structure when carried.