The invention discloses an electromagnetic valve detection assembling system which comprises a component tool, a workbench, a conveying assembly, a detection assembly, a fixed valve element fixing assembly, a coil holder assembling assembly, a gasket assembling assembly, a nut assembling assembly and a separation assembly. The workbench is provided with a fifth assembling station, a sixth assembling station, a seventh assembling station, an eighth assembling station, a ninth assembling station and a tenth assembling station, the conveying assembly sequentially circulates and displaces the component tool from the fifth assembling station to the tenth assembling station, the detection assembly screws a fixed valve element to a control valve port of a valve body at the fifth assembling station and detects the working state of a movable valve element, the fixed valve element fixing assembly screws a fixed valve element at the sixth assembling station and applies glue to a threaded face of the fixed valve element, the fixed valve element is screwed to the control valve port of the valve body after glue is applied, the coil holder assembling assembly sleeves the fixed valve element with a coil holder at the seventh assembling station, the gasket assembling assembly places a gasket into a gasket groove of the coil holder at the eighth assembling station, the nut assembling assembly screws a nut to the fixed valve element at the fifth assembling station and enables the coil holder to abut against the portion between the valve body and the gasket, and the separation assembly separates the component tool from an electromagnetic valve at the tenth assembling station and separates out the electromagnetic valve with the valve element in the normal working state.