The utility model discloses a neighbour aminobezene solfonic acid's post -production processing device, including acid out device, filter pressing device, enrichment facility and effluent treatment plant. The acid out device comprises acid out cauldron, catalytic hydrogenation reducing solution elevated tank, sodium hydrosulfite aqueous solution elevated dosing vessel, hydrochloric acid elevated dosing vessel, filter pressing device includes pressure filter and filtrating receipt jar, the enrichment facility includes concentrated cauldron, liquid caustic soda elevated dosing vessel, and relevant auxiliary assembly's a whole set of effluent disposal system and circulating water collecting pit. The utility model discloses a scientific design neighbour aminobezene solfonic acid's post -production processing device, produce HPLC smoothly and return a content 99%, the adjacent aminobezene solfonic acid white crystal of amino value content more than 98.5%, the yield is up to more than 93%, nearly improved 15% than iron powder reduction pharaoh technology yield, 5 tons of left and right sides are dropped to by about 40 tons of iron powder reduction pharaoh technology to one ton of adjacent aminobezene solfonic acid's of production the total waste water volume of whole piece technology, and simultaneously, the rational utilization waste heat, the production energy consumption has beenreduced.