The utility model discloses an ion exchanger with high strength filter core, including a jar body, a jar side face is equipped with manhole and discharge gate, connecting inlet tube, blast pipe, upward water -locator, water inlet, backwash row mouth, outlet pipe, delivery port, backwash import on the jar is personally experienced sth. Part of the body, just washing pai kou, connection mother in outlet pipe the inner manages, connects 4 at least filter cores on female the pipe, the filter core includes mainboard, support bar, wire winding, drain pipe, is equipped with the through -hole in the middle of the mainboard, and the support bar is perpendicular to be set up in through -hole one side, and the upper cover is fixed to the support bar front end, the wire winding is isosceles trapezoid, two wire windings positive turn over according to determining deviations package around in the support bar outside, the drain pipe setting is at the through -hole opposite side, the filter core possess special pore structure, the difficult jam, the easy washing, the interval adjustable range is big, the bulk strength is high, acidproof, alkaline -resisting, high temperature resistant, low temperature resistant, the filter core possess higher intensity, can bear extreme condition such as high temperature high pressure, do not need the card, economize the material.