A cosmetic container having an application member detachably attached to the side of a button member, according to the present invention, include: a container body (10) having a storage space (13); a pump (20) for discharging the content of the container body (10) to the outside; a cap (30) for fixing the pump (20) to the container body (10); the button member (40) coupled to the upper part of the pump (20) and formed to protrude toward the upper part of the cap (30); and the application member (50) detachably attached to the side of the button member (40).