A double-chambered infusion bag includes a sealed soft infusion bag, a first chamber and a second chamber separated by a first peelable strip pseudo soldering structure are formed inside the sealed soft infusion bag. A second peelable strip pseudo soldering structure is provided between the second chamber and an output tube. A breakthrough pressure of the second peelable strip pseudo soldering structure is equal to or greater than a breakthrough pressure of the first peelable strip pseudo soldering structure. A periphery of the second chamber is permanently connected with compound aluminum films or transparent or semi-transparent compound films.
