The utility model relates to an oil flow control integrated module in a lubrication system, which comprises a casing; the casing at least comprises oil flow control units of two branch oil circuits; a vertically penetrated branch oil circuit is arranged in the oil flow control unit of each branch oil circuit; internal threads are formed at the upper end ports and at the lower end ports of the branch oil circuits; matched adjusting oil rods are arranged in the branch oil circuits; the branch oil circuits of the oil flow control units are arranged in parallel; a transversal main oil circuit is arranged on one side of the branch oil circuits; various branch oil circuits are communicated with the main oil circuit; external threads matched with the internal threads at the lower end ports of the branch oil circuits are formed at the lower ends of the adjusting oil rods; the external threads at the lower ends of the adjusting oil rods drive the adjusting oil rods to fully open or seal the inlets, through which free oil circuits enter into the branch oil circuits; oil sight gauges are arranged at the upper end ports of the branch oil circuits and connected with the internal threads at the upper end ports of the branch oil circuits through the external threads; and oil supply outlets of the oil flow control units are positioned at the upper ends of the oil sight gauges.