人民防(fang)(fang)空工(gong)(gong)(gong)程(cheng)(cheng)也(ye)叫人防(fang)(fang)工(gong)(gong)(gong)事(shi)，是指為(wei)保(bao)(bao)障(zhang)戰(zhan)時(shi)人員(yuan)與物資(zi)掩蔽、人民防(fang)(fang)空指揮、醫療救護而(er)單(dan)獨修建(jian)(jian)的地(di)下防(fang)(fang)護建(jian)(jian)筑(zhu)(zhu)，以及(ji)結合(he)地(di)面建(jian)(jian)筑(zhu)(zhu)修建(jian)(jian)的戰(zhan)時(shi)可用(yong)于防(fang)(fang)空的地(di)下室(shi)。 人防(fang)(fang)工(gong)(gong)(gong)程(cheng)(cheng)是防(fang)(fang)備敵人突然襲擊，有效(xiao)地(di)掩蔽人員(yuan)和物資(zi)，保(bao)(bao)存戰(zhan)爭(zheng)潛力的重要設施；是堅持城(cheng)鎮戰(zhan)斗，長期支(zhi)持反侵略戰(zhan)爭(zheng)直至(zhi)勝利(li)的工(gong)(gong)(gong)程(cheng)(cheng)保(bao)(bao)障(zhang)。 　人防(fang)(fang)工(gong)(gong)(gong)程(cheng)(cheng)按構(gou)筑(zhu)(zhu)形(xing)式可分(fen)為(wei)地(di)道工(gong)(gong)(gong)程(cheng)(cheng)、坑道工(gong)(gong)(gong)程(cheng)(cheng)、堆積式工(gong)(gong)(gong)程(cheng)(cheng)和掘開式工(gong)(gong)(gong)程(cheng)(cheng)。 　

人防(fang)(fang)工(gong)(gong)(gong)(gong)(gong)程(cheng)按(an)戰時功能(neng)分為指(zhi)揮(hui)通信工(gong)(gong)(gong)(gong)(gong)程(cheng)、醫(yi)(yi)療(liao)救護工(gong)(gong)(gong)(gong)(gong)程(cheng)、防(fang)(fang)空專業隊工(gong)(gong)(gong)(gong)(gong)程(cheng)、人員掩(yan)蔽工(gong)(gong)(gong)(gong)(gong)程(cheng)和其他配套(tao)工(gong)(gong)(gong)(gong)(gong)程(cheng)五(wu)大(da)類。 其他配套(tao)工(gong)(gong)(gong)(gong)(gong)程(cheng)是指(zhi)地(di)下(xia)(xia)醫(yi)(yi)院(yuan)、各類倉(cang)(cang)庫(ku)、生產車(che)間(jian)、疏散機動(dong)干道(dao)、連(lian)接通道(dao)、區域(yu)性(xing)電站(zhan)(zhan)(zhan)、供(gong)水站(zhan)(zhan)(zhan)、核化監(jian)測(ce)站(zhan)(zhan)(zhan)、音響警報站(zhan)(zhan)(zhan)等。人防(fang)(fang)工(gong)(gong)(gong)(gong)(gong)程(cheng)按(an)平時用途(tu)分為地(di)下(xia)(xia)賓館(招待所)，地(di)下(xia)(xia)商場(chang)(商店(dian))，地(di)下(xia)(xia)餐廳(ting)(飯(fan)店(dian)、飲食(shi)店(dian)、酒(jiu)吧、咖啡廳(ting))，地(di)下(xia)(xia)文(wen)藝活動(dong)場(chang)所(包括舞廳(ting)、電影院(yuan)、展(zhan)覽室(shi)、錄相放映廳(ting)、卡拉(la)oK廳(ting)、射擊場(chang)、游(you)樂場(chang)、臺球室(shi)、游(you)泳池等)，地(di)下(xia)(xia)教室(shi)、辦公室(shi)、會堂(會議室(shi))、試驗(實驗)室(shi)，地(di)下(xia)(xia)醫(yi)(yi)院(yuan) (手術室(shi)、急救站(zhan)(zhan)(zhan)、醫(yi)(yi)療(liao)站(zhan)(zhan)(zhan))，地(di)下(xia)(xia)生產車(che)間(jian)、倉(cang)(cang)庫(ku)、電站(zhan)(zhan)(zhan)、水庫(ku)，地(di)下(xia)(xia)過街道(dao)、地(di)下(xia)(xia)停車(che)場(chang)、地(di)下(xia)(xia)車(che)庫(ku)等。