The utility model provides a control solution fluorine ion device, contains solution response device, a conveying equipment and the 2nd conveying equipment. Solution response device contains a barrel groove, and fluorine -containing ion waste water is equipped with in the bucket groove, a conveying equipment connects solution response device, carries to contain calcium salts additive to a barrel groove, contains calcium salts additive and the first solution of fluorine -containing ion waste water reaction formation, and it contains calcirm -fluoride precipitate and fluorine ion, the 2nd conveying equipment connects solution response device, carries phosphorous butyrate waste water or phosphorous butyrate mud to bucket groove, phosphorous butyrate waste water (or phosphorous butyrate mud) and first solution reaction formation second solution, and it contains hydroxyl calcium phosphate precipitate, calcirm -fluoride precipitate and fluorine ion, and wherein, the fluorine ion of part adsorbs in hydroxyl calcium phosphate precipitate.