A liquid jet discharge device (10, 10A, 10B, 100, 200, 200A, 300), comprising: an ejection section that is open at both end portions and that internally houses a liquid such that a contact angle (θ) between the liquid and at least an inner face of the ejection section is less than 90°; a pressure generation section that is in communication with one end portion of the ejection section, that has a cross-sectional area larger than a cross-sectional area of the ejection section, that has a length in a discharge direction of a liquid jet that is longer than a length in the discharge direction from the one end portion of the ejection section to a surface of the liquid; and an impulse force impartation means (14, 16) configured to impart an impulse force to the pressure generation section; characterized in that: the liquid jet discharge device (10, 10A, 10B, 100, 200, 200A, 300) further comprises a replenishment device that is configured to supply the liquid into the pressure generation section; the pressure generation section houses the liquid at least at a bottom face side onto which the one end portion opens; and the impulse force impartation means (14, 16) is configured to impart said impulse force to the pressure generation section by moving and stopping the pressure generation section in that the liquid jet discharge device (10, 10A, 10B, 100, 200, 200A, 300) further comprises: - a moving mechanism that is configured to move the pressure generation section in the discharge direction; and - a stopper that is configured to be abutted by the pressure generation section when moving in the discharge direction toward a discharge target so as to stop the pressure generation section; wherein the moving mechanism and the stopper correspond to the impulse force impartation means (14, 16). an ejection section that is open at both end portions and that internally houses a liquid such that a contact angle (θ) between the liquid and at least an inner face of the ejection section is less than 90°; a pressure generation section that is in communication with one end portion of the ejection section, that has a cross-sectional area larger than a cross-sectional area of the ejection section, that has a length in a discharge direction of a liquid jet that is longer than a length in the discharge direction from the one end portion of the ejection section to a surface of the liquid; and an impulse force impartation means (14, 16) configured to impart an impulse force to the pressure generation section; characterized in that: the liquid jet discharge device (10, 10A, 10B, 100, 200, 200A, 300) further comprises a replenishment device that is configured to supply the liquid into the pressure generation section; the pressure generation section houses the liquid at least at a bottom face side onto which the one end portion opens; and the impulse force impartation means (14, 16) is configured to impart said impulse force to the pressure generation section by moving and stopping the pressure generation section in that the liquid jet discharge device (10, 10A, 10B, 100, 200, 200A, 300) further comprises: - a moving mechanism that is configured to move the pressure generation section in the discharge direction; and - a stopper that is configured to be abutted by the pressure generation section when moving in the discharge direction toward a discharge target so as to stop the pressure generation section; wherein the moving mechanism and the stopper correspond to the impulse force impartation means (14, 16). the liquid jet discharge device (10, 10A, 10B, 100, 200, 200A, 300) further comprises a replenishment device that is configured to supply the liquid into the pressure generation section; the pressure generation section houses the liquid at least at a bottom face side onto which the one end portion opens; and the impulse force impartation means (14, 16) is configured to impart said impulse force to the pressure generation section by moving and stopping the pressure generation section in that the liquid jet discharge device (10, 10A, 10B, 100, 200, 200A, 300) further comprises: - a moving mechanism that is configured to move the pressure generation section in the discharge direction; and - a stopper that is configured to be abutted by the pressure generation section when moving in the discharge direction toward a discharge target so as to stop the pressure generation section; - a moving mechanism that is configured to move the pressure generation section in the discharge direction; and - a stopper that is configured to be abutted by the pressure generation section when moving in the discharge direction toward a discharge target so as to stop the pressure generation section; wherein the moving mechanism and the stopper correspond to the impulse force impartation means (14, 16).