A removable ground anchor body uses a spring and includes: a waterproof cap formed with an upward screw groove at an inner lower end; a housing that is coupled to a lower end of the waterproof cap and is formed with an upward locking protrusion therein; a body that is formed with a rotating main spring coupled to a screw groove of the waterproof cap at the top and is formed with a stopper on an outer peripheral edge to be locked to the locking protrusion of the housing; a stopper presser that is installed between the waterproof cap and the body and brings the lower end into close contact with the stopper upper surface of the body; a strand wire wedge; a wedge hold; and a head coupler.