The present invention relates to an eco-friendly flame retardant cushioning material for indoor play facilities. An eco-friendly flame retardant cushioning material used in indoor play facilities has flame retardancy, antibiotic action and fouling resistance, enhances safety from fire risks while being always kept clean, does not damage health of growing children such as children, infants, etc. by blocking emission of harmful materials to the human body including the six heavy metals, and excludes injury risks according to buffer cushion functions. To this end, the eco-friendly flame retardant cushioning material for indoor play facilities comprises a support plate, an interior material performing a cushion function, a cover material covering the interior material and a fixing pin fixing the cover material to the support plate.본 발명은 실내놀이시설용 친환경 방염쿠션재에 관한 것으로, 보다 상세하게는 실내놀이시설에 사용되는 쿠션재를 방염성과 항균성 및 내오염성을 갖도록 하여 항상 청결하게 유지되도록 하면서 화재 위험으로부터 안전성을 강화시키고 특히, 6대 중금속을 비롯한 인체 유해물질 배출을 차단하여 어린이, 유아 등 성장기 아이들의 건강을 해치지 않도록 하면서 완충 쿠션기능에 따른 상해 위험성도 배재시킨 실내놀이시설용 친환경 방염쿠션재에 관한 것이다.