aimbot 

battlereport http://battlelog.battlefield.com/bf4/zh/battlereport/show/1/1090884511970310336/1054006572/

and  there is one more round he got 100+ kill,and 90% is headshots, but he got baned by admin then server got DDOS attack ,so we lost that round's report 

please ban that hacker ,look at his stacts