A coffee capsule mounting and removal structure comprising: a capsule housing 200 including a receiving portion 210 allowing a coffee capsule CA with coffee grounds contained therein in a sealed manner to be received therein, and configured to allow liquid coffee generated in the coffee capsule CA to be discharged to the outside; a housing cover 300 hingedly coupled to the capsule housing 200 and covering an open upper portion of the receiving portion 210; and a driving unit 400 including a lever member 410 and a plurality of link members 420, 430, and 440, configured to allow the housing cover 300 to be rotated by the action of the link members 420, 430, and 440 according to an operation of the lever member 410, so as to open and close the upper portion of the receiving portion 210, wherein the driving unit 400 is configured such that the housing cover 300 is not opened even in the case that high pressure is exerted on the receiving portion 210 in a state in which the upper portion of the receiving portion 210 is closed by the housing cover 300, characterized in that the driving unit 400 comprises a lever member 410 hingedly coupled to an upper portion of the capsule housing 200, a rotary link member 420 having one side hingedly coupled to a lower portion of the capsule housing 200, a first connection link member 430 having one side hingedly coupled to the housing cover 300 and the other side hingedly coupled to the other side of the rotary link member 420, and a second connection link member 440 having one side hingedly coupled to the lever member 410 and the other side hingedly coupled to the other side of the rotary link member 420. a capsule housing 200 including a receiving portion 210 allowing a coffee capsule CA with coffee grounds contained therein in a sealed manner to be received therein, and configured to allow liquid coffee generated in the coffee capsule CA to be discharged to the outside; a housing cover 300 hingedly coupled to the capsule housing 200 and covering an open upper portion of the receiving portion 210; and a driving unit 400 including a lever member 410 and a plurality of link members 420, 430, and 440, configured to allow the housing cover 300 to be rotated by the action of the link members 420, 430, and 440 according to an operation of the lever member 410, so as to open and close the upper portion of the receiving portion 210, wherein the driving unit 400 is configured such that the housing cover 300 is not opened even in the case that high pressure is exerted on the receiving portion 210 in a state in which the upper portion of the receiving portion 210 is closed by the housing cover 300, characterized in that the driving unit 400 comprises a lever member 410 hingedly coupled to an upper portion of the capsule housing 200, a rotary link member 420 having one side hingedly coupled to a lower portion of the capsule housing 200, a first connection link member 430 having one side hingedly coupled to the housing cover 300 and the other side hingedly coupled to the other side of the rotary link member 420, and a second connection link member 440 having one side hingedly coupled to the lever member 410 and the other side hingedly coupled to the other side of the rotary link member 420.