Simple cell liquid changing device

The utility model relates to the technical field of auxiliary devices for cell experiments, and discloses a simple cell liquid changing device which is low in development cost and convenient to operate, and comprises a first liquid bottle, a second liquid bottle, a third liquid bottle and a fourth liquid bottle, the second liquid bottle is used for containing PBS to be replaced; the first switch is used for controlling the cell culture medium in the first liquid bottle to flow out or stop; the second switch is used for controlling the PBS in the second liquid bottle to flow out or stop; the cell culture bottle is arranged on the lower end face of the first liquid bottle and the lower end face of the second liquid bottle, the waste liquid bottle is arranged on the lower end face of the cell culture bottle, a second switch is turned on, PBS in the second liquid bottle flows into the cell culture bottle along the bottle wall, the second switch is turned off, and PBS flows to clean cells through shaking; turning