To perform easy filling with liquid and drink water, such as tea, contained in a pet bottle and a 1.8l. bottle, without lifting.

A means is provided to contain a liquid-contained container in a closed container 1 and inject air in the closed container 1 to apply a pressure, and extrude liquid through a pipe 5, a hose 2, an a cock 3. A method and a means are provided such that air is injected in the liquid-contained closed container 1 to apply a pressure and pouring the liquid is effected through the pipe 5. A pipe in which a fluid valve and an intake valve 11 are located is arranged to a liquid-contained semi-resilient substance container through a plug and the container is pressed to extrude liquid.