A parallel bioreactor system, comprising: an oscillator for generating oscillating motion; a plurality of culture vessels mounted on the oscillator, wherein each culture vessel is provided with an inner cavity, the inner cavity comprises a cylindrical portion at the upper part and an inverted truncated conical bottom at the lower part, a cross section of the cylindrical portion is consistent with the cross section of the top of the inverted truncated conical bottom, and the bottom of the cylindrical portion is joined with the top of the inverted truncated conical bottom; disposable culture bags arranged in the inner cavities of the culture vessels and used for accommodating culture solution, wherein each disposable culture bag is provided with a multifunctional cover plate, and the multifunctional cover plate is connected to the top of the culture bag to seal the culture bag, and is provided with a plurality of connection holes leading to interior of the disposable culture bag, and one or more of the connection holes are suitable for being connected with a detection electrode and/or a conduit; one or more detection electrodes that are connected to one or more of the connection holes; one or more conduits that are connected to one or more of the connection holes to carry out liquid adding and gas change; and a control system, wherein the control system comprises a master control console and a plurality of reaction controllers; the master control console controls the oscillator and is connected to the plurality of reaction controllers to receive data from the plurality of reaction controllers and send a control instruction to the plurality of reaction controllers; and each reaction controller is connected to the corresponding culture vessel to receive the parameters from the culture vessel through the one or more detection electrodes and carry out related operations on the culture vessel through the one or more conduits. an oscillator for generating oscillating motion; a plurality of culture vessels mounted on the oscillator, wherein each culture vessel is provided with an inner cavity, the inner cavity comprises a cylindrical portion at the upper part and an inverted truncated conical bottom at the lower part, a cross section of the cylindrical portion is consistent with the cross section of the top of the inverted truncated conical bottom, and the bottom of the cylindrical portion is joined with the top of the inverted truncated conical bottom; disposable culture bags arranged in the inner cavities of the culture vessels and used for accommodating culture solution, wherein each disposable culture bag is provided with a multifunctional cover plate, and the multifunctional cover plate is connected to the top of the culture bag to seal the culture bag, and is provided with a plurality of connection holes leading to interior of the disposable culture bag, and one or more of the connection holes are suitable for being connected with a detection electrode and/or a conduit; one or more detection electrodes that are connected to one or more of the connection holes; one or more conduits that are connected to one or more of the connection holes to carry out liquid adding and gas change; and a control system, wherein the control system comprises a master control console and a plurality of reaction controllers; the master control console controls the oscillator and is connected to the plurality of reaction controllers to receive data from the plurality of reaction controllers and send a control instruction to the plurality of reaction controllers; and each reaction controller is connected to the corresponding culture vessel to receive the parameters from the culture vessel through the one or more detection electrodes and carry out related operations on the culture vessel through the one or more conduits.