Provided with a work electrodeposition coating method for immersing a work in a paint in an electrodeposition tank provided with a first positive electrode for supplying a low voltage and a second positive electrode for supplying a high voltage to carry out electrodeposition coating of a work surface. The work electrodeposition coating method is comprised of a first step in which a first robot moves the work to a first table provided with an current collecting bar corresponding to the first positive electrode; a second step of connecting the work with the current collecting bar and supplies the work with the low voltage to carry out the electrodeposition coating; a third step in which a second robot provided with a negative electrode switches a connecting condition of the negative electrode connected with the work from the current collecting bar to an current collecting bar corresponding to the second positive electrode when the second robot chucks the work, and then carries out the electrodeposition coating while moving the work to a second table provided with an current collecting bar; and a fourth step of connecting the work to the current collecting bar and supplies the work with the high voltage to carry out the electrodeposition coating.