This paper reported the method of fluoride ion removal from wastewater of producing phosphate fertilizer with lime-HD-1 type defluorinating agent. Results of study have shown that fluorde ion levels can be reduce from about 40mg/L to below 10mg/L with the method. Wastewater of after treatment can circulation employ, precipitate may be Used as f ert i 1 izer ,not bring about environmental pollution. This method not only treating fluoride-containing wastewater is easy but treating cost is cheaper.