The invention provides a welding system and method for an electromagnetic coil component. The welding system is characterized in that a stationary contact feeding position, a wiring board feeding position, a stationary contact detecting position, a wiring board detecting position, a coil feeding position, a coil detecting position, a stationary contact welding position, a first welding point detecting and finishing position, a wiring board welding position, a second welding point detecting and finishing position, a discharging position and a finished product discharging and detecting position are arranged on an outer rotating disc; and a stationary contact clamping detector, a wiring board clamping detector, a coil clamping detector, a stationary contact welding mechanism, a stationary contact welding wire feeding mechanism, a stationary contact and coil welding forming detector, a first welding point finishing mechanism, a wiring board welding mechanism, a wiring board welding wire feeding mechanism, a wiring board and coil welding forming detector, a second welding point finishing mechanism, a finished product detector and a finished product discharging detector are arranged on a vertical plate. According to the welding system and method for the electromagnetic coil component, the vertical plate, the outer rotating disc, locking devices and the welding mechanisms are combined together, multiple coil components can be produced simultaneously, and the welded coil component is high in quality and precise in dimension.