A finger fitting-type makeup tool includes: a container where an eyelash cosmetic material is received and is open at an upper end thereof; an application unit coupled to the upper end allowing a user to fit their finger thereinto to apply the cosmetic material; and a middle unit for detachably coupling the application unit to the container. The application unit includes: a finger fitting part which provides a fitting space where a user can insert his/her finger from above; an outer tube which surrounds the circumference of the finger fitting part and is open at an upper side thereof; an elastic support part fixed to an inner surface of the finger fitting part; a stick extending downward from one point of the inner space of the outer tube; and a brush arranged on an end portion of the stick to be usable for dipping and applying of the cosmetic material.