OK, u all know how Olaf is OP..ofc
Ill help u to play him in jungle as i play and u will be more OP of OP..I mean mega OP :D

Start with ugly frog then blue and wolfs,after dat go red buff and ward it..kill him smitless cuz u will need it 2 smite for solo drake,after red go chickens then re call..buy what i put in build order...run on drake and trow your Q and pick up and activ 4 heal pots and 2 mana,spam Q around drake and W smite on begining and before u kill drake it will return some helt :) and u killed drake on lvl 3 :) w8 after drake little to heal yourself with pots and gank what u think is best

I just tell u Frozen Malet IS FIRST ITEM after jungle item..no escape when u gank :)
SO GOOD LUCK NEW OLAFS see ya