The invention discloses a power battery tab die-cutting and winding integrated machine. The power battery tab die-cutting and winding integrated machine comprises a positive electrode unwinding tab cutting unit, a negative electrode unwinding tab cutting unit, a separator unwinding unit and a winding and formation unit, wherein the positive electrode unwinding tab cutting unit is used for completing die-cutting of a positive electrode plate, the negative electrode unwinding tab cutting unit is used for completing die-cutting of a negative electrode plate, the separator unwinding unit is used for providing an upper separator, the winding and formation unit is used for completing winding and formation of a battery cell, the positive electrode unwinding tab cutting unit, the negative electrode unwinding tab cutting unit, an upper separator unwinding unit and a lower separator unwinding unit are matched and are matched with the winding and formation unit so that a positive electrode platefilm of which die-cutting is completed, separators and a negative electrode plate film of which die-cutting is completed are sequentially arranged at intervals and synchronously enter to the winding and formation unit, and the winding and formation unit is used for winding and formation. According to the scheme given by the invention, two important processes of a battery cell formation technologyare organically combined, the production efficiency of a product and the product performance are greatly improved, so that the winding efficiency and the finished rate of a battery cell are greatly improved.