其父和(he)(he)舅父均為(wei)東北軍(jun)軍(jun)官(guan),父親在從(cong)事抗日活動中(zhong)被捕(bu)而病死獄中(zhong),舅父在對日作戰中(zhong)犧牲。徐翼目睹日軍(jun)給國家、民族、家庭(ting)帶來的不幸(xing)和(he)(he)災難,憤然(ran)參(can)加抗日“民軍(jun)”。
抗日(ri)(ri)戰(zhan)(zhan)(zhan)爭(zheng)爆(bao)發后(hou),即(ji)辭別慈母和新婚(hun)妻子,奔(ben)赴魯(lu)西(xi)北(bei)抗日(ri)(ri)戰(zhan)(zhan)(zhan)場。1938年(nian)(nian)(nian)(nian)11月(yue),范筑先抗戰(zhan)(zhan)(zhan)殉國(guo),聊(liao)城(cheng)形勢(shi)嚴峻。時任(ren)(ren)中(zhong)共魯(lu)西(xi)北(bei)第(di)三地(di)委委員、戰(zhan)(zhan)(zhan)爭(zheng)動(dong)員部部長的徐(xu)(xu)翼(yi)(yi),奔(ben)波于聊(liao)(城(cheng))、陽(yang)(yang)(yang)(yang)(谷(gu))、(東(dong))阿(a)地(di)區(qu),建立陽(yang)(yang)(yang)(yang)谷(gu)縣(xian)(xian)(xian)第(di)四(si)區(qu)抗日(ri)(ri)政(zheng)權,組建東(dong)進支隊第(di)四(si)大(da)(da)隊,開展游擊戰(zhan)(zhan)(zhan),在3縣(xian)(xian)(xian)交(jiao)界(jie)處創立了較為穩(wen)固的抗日(ri)(ri)根據(ju)地(di)。1940年(nian)(nian)(nian)(nian),徐(xu)(xu)翼(yi)(yi)被任(ren)(ren)命為陽(yang)(yang)(yang)(yang)谷(gu)縣(xian)(xian)(xian)抗日(ri)(ri)民(min)主政(zheng)府(fu)縣(xian)(xian)(xian)長后(hou),大(da)(da)力擴充(chong)地(di)方(fang)抗日(ri)(ri)武裝,加強地(di)方(fang)政(zheng)權建設。1941年(nian)(nian)(nian)(nian),徐(xu)(xu)翼(yi)(yi)升任(ren)(ren)冀魯(lu)豫軍區(qu)第(di)六分區(qu)副司令(ling)員,兼分區(qu)第(di)三團政(zheng)委,率(lv)部活動(dong)于聊(liao)、陽(yang)(yang)(yang)(yang)、阿(a)一帶,兩年(nian)(nian)(nian)(nian)對敵作戰(zhan)(zhan)(zhan)30余次,殲敵數千(qian)人。他身(shen)先士卒,作戰(zhan)(zhan)(zhan)勇敢,指揮(hui)有方(fang)。1943年(nian)(nian)(nian)(nian)3月(yue)在陽(yang)(yang)(yang)(yang)谷(gu)縣(xian)(xian)(xian)七(qi)級鎮殲滅(mie)戰(zhan)(zhan)(zhan)中(zhong),他指揮(hui)部隊以“打擊先頭,阻擊后(hou)尾,集中(zhong)火力消滅(mie)中(zhong)間(jian)”的戰(zhan)(zhan)(zhan)術,打得日(ri)(ri)軍及治安(an)軍血肉橫飛,狼狽(bei)而逃(tao)。1943年(nian)(nian)(nian)(nian)秋,徐(xu)(xu)翼(yi)(yi)調(diao)冀魯(lu)豫軍區(qu)任(ren)(ren)旅長。1944年(nian)(nian)(nian)(nian)秋,在率(lv)部赴鄆(yun)城(cheng)消滅(mie)大(da)(da)漢(han)奸(jian)劉本功的戰(zhan)(zhan)(zhan)斗中(zhong)犧牲。1946年(nian)(nian)(nian)(nian),黨和政(zheng)府(fu)將(jiang)聊(liao)、陽(yang)(yang)(yang)(yang)、阿(a)交(jiao)界(jie)地(di)區(qu)劃為“徐(xu)(xu)翼(yi)(yi)縣(xian)(xian)(xian)”。