The invention discloses a spray pump assembling machine which comprises a rotating station component, a pump core feeding component, a screw cover feeding assembling component, a spray head feeding assembling component, a dust cover feeding assembling component, an overturning component, a gasket feeding component, a sucker plug-in component and a PLC; the pump core feeding component, the screw cover feeding assembling component, the spray head feeding assembling component, the dust cover feeding assembling component, the overturning component, the gasket feeding component and the sucker plug-in component are sequentially distributed on the outer edge of the gasket feeding component; and under the PLC control, a pump core, a screw cover, a spray head,a dust cover, a gasket and a sucker are sequentially assembled. Compared with the prior art, in the spray pump assembling machine, the rotating station component is adopted to assemble accessories ofthe pump core component, and the PLC is adopted to control and detect the whole assembling process, so that the production efficiency is improved, the cost is reduced, and meanwhile, the manual participation is greatly reduced, so that the sanitary safety of a finished product is ensured.