人民防空(kong)(kong)工(gong)(gong)程也叫人防工(gong)(gong)事，是(shi)(shi)指為保障戰(zhan)時(shi)(shi)人員與(yu)物(wu)資(zi)掩(yan)蔽、人民防空(kong)(kong)指揮、醫療救護(hu)而單(dan)獨修建的地(di)(di)下(xia)防護(hu)建筑，以及結合地(di)(di)面建筑修建的戰(zhan)時(shi)(shi)可(ke)(ke)用于防空(kong)(kong)的地(di)(di)下(xia)室。 人防工(gong)(gong)程是(shi)(shi)防備敵人突然襲(xi)擊(ji)，有效地(di)(di)掩(yan)蔽人員和物(wu)資(zi)，保存戰(zhan)爭(zheng)潛力的重要設施；是(shi)(shi)堅持(chi)城鎮戰(zhan)斗，長(chang)期(qi)支持(chi)反侵略戰(zhan)爭(zheng)直至勝利的工(gong)(gong)程保障。 　人防工(gong)(gong)程按構筑形(xing)式(shi)可(ke)(ke)分為地(di)(di)道工(gong)(gong)程、坑道工(gong)(gong)程、堆積式(shi)工(gong)(gong)程和掘開式(shi)工(gong)(gong)程。 　

人防工(gong)(gong)程按(an)戰(zhan)時功能分為指揮通(tong)信工(gong)(gong)程、醫療救護工(gong)(gong)程、防空專業隊工(gong)(gong)程、人員掩(yan)蔽工(gong)(gong)程和其他配套工(gong)(gong)程五(wu)大類(lei)。 其他配套工(gong)(gong)程是(shi)指地(di)(di)下(xia)(xia)醫院(yuan)、各類(lei)倉(cang)庫(ku)、生產車(che)(che)間、疏散(san)機動(dong)干道、連接(jie)通(tong)道、區(qu)域性電站(zhan)(zhan)、供水站(zhan)(zhan)、核化監測站(zhan)(zhan)、音響警報站(zhan)(zhan)等。人防工(gong)(gong)程按(an)平時用途分為地(di)(di)下(xia)(xia)賓(bin)館(招待所)，地(di)(di)下(xia)(xia)商(shang)場(chang)(商(shang)店(dian))，地(di)(di)下(xia)(xia)餐廳(ting)(ting)(飯店(dian)、飲(yin)食店(dian)、酒吧、咖啡廳(ting)(ting))，地(di)(di)下(xia)(xia)文藝活(huo)動(dong)場(chang)所(包括舞廳(ting)(ting)、電影院(yuan)、展(zhan)覽室(shi)(shi)、錄相放(fang)映廳(ting)(ting)、卡拉oK廳(ting)(ting)、射(she)擊場(chang)、游樂(le)場(chang)、臺球室(shi)(shi)、游泳池(chi)等)，地(di)(di)下(xia)(xia)教室(shi)(shi)、辦公室(shi)(shi)、會堂(會議室(shi)(shi))、試驗(yan)(實驗(yan))室(shi)(shi)，地(di)(di)下(xia)(xia)醫院(yuan) (手術室(shi)(shi)、急(ji)救站(zhan)(zhan)、醫療站(zhan)(zhan))，地(di)(di)下(xia)(xia)生產車(che)(che)間、倉(cang)庫(ku)、電站(zhan)(zhan)、水庫(ku)，地(di)(di)下(xia)(xia)過(guo)街道、地(di)(di)下(xia)(xia)停車(che)(che)場(chang)、地(di)(di)下(xia)(xia)車(che)(che)庫(ku)等。