A continuous glucose measurement apparatus, comprising: - a body attachable unit configured to be insertedly attachable to a body to extract body fluid and periodically measure blood glucose; and - an applicator in which the body attachable unit is coupled, the applicator configured to outwardly discharge the body attachable unit according to manipulation of a user so that the body attachable unit is insertedly attached to the body, - wherein the applicator comprises: - a main case, wherein a pressure button is installed at one side of the main case and a shooting plate is movably coupled to the main case, the shooting plate configured to move according to manipulation of the pressure button; - a plunger body configured to be fixed at a first location inside the main case by being interlocked with the shooting plate, and be released from interlock with the shooting plate and linearly move to a second location in an outward discharge direction according to movement of the shooting plate; and - a plunger elastic spring configured to apply an elastic force to the plunger body so that the plunger body linearly moves from the first location to the second location, - wherein the body attachable unit is coupled with one end of the plunger body and the body attachable unit is configured to be movable together with the plunger body from the first location to the second location, - -one side of the plunger body comprises an interlocking hook configured to be interlockable with the shooting plate, - one side of the shooting plate comprises a hanging protrusion part configured to be interlockable with the interlocking hook, and the hanging protrusion part is configured to release from interlock with the interlocking hook according to the movement of the shooting plate caused by the manipulation of the pressure button. - a body attachable unit configured to be insertedly attachable to a body to extract body fluid and periodically measure blood glucose; and - an applicator in which the body attachable unit is coupled, the applicator configured to outwardly discharge the body attachable unit according to manipulation of a user so that the body attachable unit is insertedly attached to the body, - wherein the applicator comprises: - a main case, wherein a pressure button is installed at one side of the main case and a shooting plate is movably coupled to the main case, the shooting plate configured to move according to manipulation of the pressure button; - a plunger body configured to be fixed at a first location inside the main case by being interlocked with the shooting plate, and be released from interlock with the shooting plate and linearly move to a second location in an outward discharge direction according to movement of the shooting plate; and - a plunger elastic spring configured to apply an elastic force to the plunger body so that the plunger body linearly moves from the first location to the second location, - wherein the body attachable unit is coupled with one end of the plunger body and the body attachable unit is configured to be movable together with the plunger body from the first location to the second location, - -one side of the plunger body comprises an interlocking hook configured to be interlockable with the shooting plate, - one side of the shooting plate comprises a hanging protrusion part configured to be interlockable with the interlocking hook, and the hanging protrusion part is configured to release from interlock with the interlocking hook according to the movement of the shooting plate caused by the manipulation of the pressure button. - a main case, wherein a pressure button is installed at one side of the main case and a shooting plate is movably coupled to the main case, the shooting plate configured to move according to manipulation of the pressure button; - a plunger body configured to be fixed at a first location inside the main case by being interlocked with the shooting plate, and be released from interlock with the shooting plate and linearly move to a second location in an outward discharge direction according to movement of the shooting plate; and - a plunger elastic spring configured to apply an elastic force to the plunger body so that the plunger body linearly moves from the first location to the second location, - wherein the body attachable unit is coupled with one end of the plunger body and the body attachable unit is configured to be movable together with the plunger body from the first location to the second location, - -one side of the plunger body comprises an interlocking hook configured to be interlockable with the shooting plate, - -one side of the plunger body comprises an interlocking hook configured to be interlockable with the shooting plate, - one side of the shooting plate comprises a hanging protrusion part configured to be interlockable with the interlocking hook, and the hanging protrusion part is configured to release from interlock with the interlocking hook according to the movement of the shooting plate caused by the manipulation of the pressure button.