A movable cell incubator comprising: a body including a first internal space, a refrigeration room and an airtight culture room which are located above the first internal space, the refrigeration room being configured to accommodate a cell culture media, and the culture room accommodating at least one cell culture bag; a first lid airtightly covering the culture room; a second lid airtightly covering the refrigeration room; an electric control unit including a microprocessor, a power module, a digital/analog conversion module defined between the microprocessor and the power module, a heating module for controlling a temperature of the culture room, a cooling module configured to supply cold source to the refrigeration room, a peristaltic pump module, a CO 2 detective supply module configured to supply CO 2 to the culture room and a setting display module exposed and fixed on the first lid; wherein the peristaltic pump module is aseptically connected between the cell culture media and the at least one cell culture bag by way of multiple conveying tubes, the power module supplies power, and the setting display module is configured to set cell cultivating conditions, the microprocessor operates and controls the cell cultivating conditions and the peristaltic pump module pumps the cell culture media into the at least one cell culture bag; characterized in that the electric control unit further includes a flow sensing module, the flow sensing module being serially connected on the multiple conveying tubes, wherein the flow sensing module is configured to detect fluid flow, wherein the flow sensing module is coupled with the microprocessor and includes a flow meter and an infrared transceiver, wherein the flow meter has a transparent casing, an inlet segment connected to the peristaltic pump module, an outlet segment coupled to the at least one cell culture bag, and a fan impeller disposed on a central position of the transparent casing, wherein the infrared transceiver is configured to detect a rotating speed of the fan impeller and has a transmitting portion and a receiving portion which face the fan impeller. a body including a first internal space, a refrigeration room and an airtight culture room which are located above the first internal space, the refrigeration room being configured to accommodate a cell culture media, and the culture room accommodating at least one cell culture bag; a first lid airtightly covering the culture room; a second lid airtightly covering the refrigeration room; an electric control unit including a microprocessor, a power module, a digital/analog conversion module defined between the microprocessor and the power module, a heating module for controlling a temperature of the culture room, a cooling module configured to supply cold source to the refrigeration room, a peristaltic pump module, a CO 2 detective supply module configured to supply CO 2 to the culture room and a setting display module exposed and fixed on the first lid; wherein the peristaltic pump module is aseptically connected between the cell culture media and the at least one cell culture bag by way of multiple conveying tubes, the power module supplies power, and the setting display module is configured to set cell cultivating conditions, the microprocessor operates and controls the cell cultivating conditions and the peristaltic pump module pumps the cell culture media into the at least one cell culture bag; characterized in that the electric control unit further includes a flow sensing module, the flow sensing module being serially connected on the multiple conveying tubes, wherein the flow sensing module is configured to detect fluid flow, wherein the flow sensing module is coupled with the microprocessor and includes a flow meter and an infrared transceiver, wherein the flow meter has a transparent casing, an inlet segment connected to the peristaltic pump module, an outlet segment coupled to the at least one cell culture bag, and a fan impeller disposed on a central position of the transparent casing, wherein the infrared transceiver is configured to detect a rotating speed of the fan impeller and has a transmitting portion and a receiving portion which face the fan impeller.