Abstract: The present invention provides a mobile phone case 1 having an angle adjustable phone hanger ring 400 configured to protect the mobile phone 10 as an inherent function, and simply and stably grip and carry the mobile phone 10 during carrying by using a ring type hanger integrally provided in a back surface of the mobile phone 10, thereby allowing a user to use the mobile phone 10 with being hung for viewing a moving image or TV broadcasting, and in particular, adjust and fix the mobile phone 10 at different angles desired by the user during using the mobile phone with being hung, and thereby more improving efficiencies in use of the hanger.