Beverage stock solution extracting device and beverage machine

The embodiment of the invention relates to a beverage machine, and discloses a beverage stock solution extracting device and a beverage machine. The beverage stock solution extracting device comprisesan installing base, a gas supply assembly and a flexible membrane. The installing base is arranged inside a water outlet pipe of the beverage machine and is provided with a containing space for fixing a container for storing a beverage stock solution, and a micro hole is formed in the side, facing a pipe opening of the water outlet pipe, of the container; a liquid outlet is formed in the side, facing the pipe opening of the water outlet pipe, of the installing base; the gas supply assembly conveys gas into the containing space; the flexible membrane is arranged at an opening in the top of thecontainer and comprises a plurality of membrane flaps, the membrane flaps jointly seal the opening, the ends, away from the axis direction of the container, of the membrane flaps are connected, and the membrane flaps are used