A medical solution applying container comprising: a medical solution container body for storing a medical solution (L); an inside stopper attached at a lower end portion thereof to the medical solution container body , a brush attached to an upper end portion of the inside stopper so as to apply the medical solution (L), the inside stopper comprising: a brush inserted-and-mounted hole to which the brush is inserted and mounted; and a pressing-for-maintaining portion provided in a lower end portion of the brush inserted-and-mounted hole , the pressing-for-maintaining portion pressing a lateral periphery of the brush so as to maintain a position of the brush with respect to the inside stopper , wherein the pressing-for-maintaining portion includes a plurality of tongue pieces , and the plurality of tongue pieces are disposed through a plurality of gaps formed therebetween, each of the plurality of gaps extending along the brush inserted-and-mounted hole , characterized in that it is possible to adjust the amount of the medical solution (L) permeating the lower end portion of the brush , depending on to what extent the lower end portion of the brush is protruded and exposed from the brush inserted-and-mounted hole towards the interior of the medical solution container body . a medical solution container body for storing a medical solution (L); an inside stopper attached at a lower end portion thereof to the medical solution container body , a brush attached to an upper end portion of the inside stopper so as to apply the medical solution (L), the inside stopper comprising: a brush inserted-and-mounted hole to which the brush is inserted and mounted; and a pressing-for-maintaining portion provided in a lower end portion of the brush inserted-and-mounted hole , the pressing-for-maintaining portion pressing a lateral periphery of the brush so as to maintain a position of the brush with respect to the inside stopper , wherein the pressing-for-maintaining portion includes a plurality of tongue pieces , and the plurality of tongue pieces are disposed through a plurality of gaps formed therebetween, each of the plurality of gaps extending along the brush inserted-and-mounted hole , a brush inserted-and-mounted hole to which the brush is inserted and mounted; and a pressing-for-maintaining portion provided in a lower end portion of the brush inserted-and-mounted hole , the pressing-for-maintaining portion pressing a lateral periphery of the brush so as to maintain a position of the brush with respect to the inside stopper , wherein the pressing-for-maintaining portion includes a plurality of tongue pieces , and the plurality of tongue pieces are disposed through a plurality of gaps formed therebetween, each of the plurality of gaps extending along the brush inserted-and-mounted hole , the pressing-for-maintaining portion includes a plurality of tongue pieces , and the plurality of tongue pieces are disposed through a plurality of gaps formed therebetween, each of the plurality of gaps extending along the brush inserted-and-mounted hole , characterized in that it is possible to adjust the amount of the medical solution (L) permeating the lower end portion of the brush , depending on to what extent the lower end portion of the brush is protruded and exposed from the brush inserted-and-mounted hole towards the interior of the medical solution container body . <EOS>