The utility model discloses an ammonia synthesis leather surface conditioning agent's production system is gathered to the waterborne, the production system includes consecutive mixed cauldron, dispersion tank, grinding kettle and filter, the discharge gate that mixes the cauldron with dispersion tank's feed inlet links to each other, dispersion tank's discharge gate with grinding kettle's feed inlet links to each other, grinding kettle's discharge gate with the feed inlet of filter links to each other, even there is a plurality of storage tank and reacts the water inlet on mixing the cauldron, be equipped with the filter residue discharge port on the filter. The utility model provides a waterborne polyurethane surface conditioning agent's production system, convenient operation, but continuous production, the production process is little to environmental pollution.