Virtual reality dual use mobile phone case

A combined virtual reality and cell phone case comprising:

• a casing fixing a cell phone body;
• an ocular plate configured to maintain a variable distance from a rear surface of the casing;
• and
• a screen-distance adjustment member interposed between the casing and the ocular plate, and configured to move the ocular plate between a retracted state in which the ocular plate comes into close contact with the casing and an extended state in which the ocular plate maintains a predetermined distance from the casing,
• wherein the casing includes an inner frame configured to directly accommodate the cell phone body and a main frame configured to rotatably accommodate the inner frame so that the inner frame is rotatably reversed in accordance with the cell phone body including a main display disposed on the front surface, and, when the ocular plate is in the separated state, the main display of the cell phone body reversed along with the inner frame is oriented rearward and implements a virtual reality function, wherein the cell phone body in the inner frame is rotated with the inner frame on an axis of the main frame.