The invention discloses a manufacturing method for a plate type thin film resistor, which belongs to a manufacturing method for a plate type resistor. The invention aims to provide a manufacturing method for producing the plate type thin film resistor with high productivity and low cost. The manufacturing method comprises the manufacture of a gauge, a back electrode and a resistor body, encapsulating, trimming, splintering, sintering, end coating and electroplating; and the concrete steps comprise substrate burnishing and cleaning, printing for the gauge and the back electrode, electrode sintering, baffle layer printing, vacuum sputtering, baffler layer removing, thermal treatment, laser trimming, protective layer printing, protective layer curing, primary splintering, end coating for the electrode, end electrode sintering, secondary splintering, nickel plating and tinlead plating. The manufacturing method has the advantages of high productivity, low cost and the like, and is an ideal method for producing the plate type thin film resistors on a large scale.