The invention belongs to the field of pressurized water reactor nuclear power plants and particularly discloses a pressurized water reactor nuclear power plant control rod position detector coil overall winding method, which comprises the following steps: (1) using an NC winding machine wind out the primary windings at one time; (2) setting the start-up circle number and winding speed of the NC winding machine, and winding out each phase secondary winding at one time in accordance with the A-B-F-E-C-D or A-B-E-F-C-D phase order; (3) adopting the entire dual-vacuum impregnating process to impregnate the entire rod position detector coil winding; (4), welding the coil winding with the coil lengthening leading wire through resistance melting welding; (5),and carrying out dual-vacuum impregnating on the connecting points between the coil winding and the coil lengthening leading wire after an organosilicon casing is sleeved. The method solves the problems of insulation reduction and coil breaking of the rod position detector in the high-temperature and high-radiation environment and enables the service life of the detector to reach 40 years.