To reduce health disorders and fatal accidents caused by heat stroke in outdoor activities such as hiking and outdoor workplaces such as construction sites as measures against heat in summer such as outdoors.SOLUTION: The constitution of a body cooling apparatus is such that a refrigerant bag filled with a refrigerant is inserted into a refrigerant pocket, a cooling effect of a refrigerant is fully utilized, and a gas or liquid A body cooling device characterized by using a cooling effect in combination.(FIG.【課題】 屋外等の夏季の暑さ対策として、ハイキング等の屋外活動時および建設現場等の屋外作業場の熱中症による健康障害、死亡災害を減少する。【解決手段】 身体冷却装置の構成は、冷却外皮に対し、保冷剤を封入した保冷剤袋を、保冷剤ポケットに挿入し、保冷剤の冷却効果を十分に活用し、加えてガスまたは液体の冷却効果を併用することを特徴とする身体冷却装置を提供する。【選択図】図15