A liquid cosmetic container comprising: a container body comprising a storage portion enabling a liquid cosmetic to store; an application body (4; 14) provided at a top end of the container body and applying the liquid cosmetic to a part to be applied; a flow path connecting the application body and the storage portion of the container body, and enabling the liquid cosmetic to flow the storage portion to the application body; an operation portion provided on the side surface of the container body and adapted to be pressed from the outside; a valve seat member with a valve seat portion provided in the container body; a valve body movably in the axial direction in the container body, provided with an enlarged diameter portion with a taper portion so as to make the diameter to gradually expand as going from the front end to the backside, wherein said valve body is biased to close the flow path by seating on the valve seat portion, and opening the flow path by seating away from the valve seat portion; and a valve body pressing portion making the valve body to move in the axial direction and seat away by pressing the operation portion from the outside, wherein the valve body includes a front side shaft portion entering an opening portion of the valve seat portion, wherein the valve body includes a back side shaft portion, which is formed in an approximately cylindrical shape and extending in axial direction, said taper portion is formed between these shaft portions (5a, 5b), a hole portion is provided in a spring supporting portion of the valve seat member, in which the back side shaft portion is inserted, wherein a spring member is provided in the container body and a front end of said spring member is fixed and supported at the back end of the taper portion and another end thereof is fixed and supported at the spring supporting portion of the valve seat member such that the valve body is urged in the direction so as to be sealed on the seat portion by the spring member, wherein by pressing on the operation portion, valve body pressing portion provided in the rear ends of arm members located on the valve seat member presses the taper part of the valve body, moving thereby the valve body backwards. a container body comprising a storage portion enabling a liquid cosmetic to store; an application body (4; 14) provided at a top end of the container body and applying the liquid cosmetic to a part to be applied; a flow path connecting the application body and the storage portion of the container body, and enabling the liquid cosmetic to flow the storage portion to the application body; an operation portion provided on the side surface of the container body and adapted to be pressed from the outside; a valve seat member with a valve seat portion provided in the container body; a valve body movably in the axial direction in the container body, provided with an enlarged diameter portion with a taper portion so as to make the diameter to gradually expand as going from the front end to the backside, wherein said valve body is biased to close the flow path by seating on the valve seat portion, and opening the flow path by seating away from the valve seat portion; and a valve body pressing portion making the valve body to move in the axial direction and seat away by pressing the operation portion from the outside, wherein the valve body includes a front side shaft portion entering an opening portion of the valve seat portion, wherein the valve body includes a back side shaft portion, which is formed in an approximately cylindrical shape and extending in axial direction, said taper portion is formed between these shaft portions (5a, 5b), a hole portion is provided in a spring supporting portion of the valve seat member, in which the back side shaft portion is inserted, wherein a spring member is provided in the container body and a front end of said spring member is fixed and supported at the back end of the taper portion and another end thereof is fixed and supported at the spring supporting portion of the valve seat member such that the valve body is urged in the direction so as to be sealed on the seat portion by the spring member, wherein by pressing on the operation portion, valve body pressing portion provided in the rear ends of arm members located on the valve seat member presses the taper part of the valve body, moving thereby the valve body backwards.