Lee is great jungler with great AD, LS and SV.

This guide tells you how to jungle with Lee Sin.

AA = Auto-attack (Basic Attacks)
AD = Attack Damage
AS = Attack Speed
AoE = Area of Effect
CC = Crowd Control (Stun, fear, slow, snare, etc)
CDR = Cooldown Reduction
FB = First Blood
HP = Health
LS = Life Steal
MD = Magic Damage
MR = Magic Resistance
MS = Movement Speed
SV = Spell Vamp
DPS = Damage Per Second; also: Strong Auto-attacker
MDPS = Magical Damage Per Second; also:Strong spells; casters
HP5 = Health Regeneration per 5 seconds
ArPen = Armor Penetration

PROS:
- fast jungler
- great ganger
- great LS and SV
- can kill dragon on 5 lvl
- great AD
- great escape skills
- great hunt skills
- double skills
CONS:
- he is difficult to play
- low energy
- does not have stun, fear or silence

Smite: You can use this skill to kill creeps or heal self.

Flash: You need this skill when you want use Dragon's Rage to kick opponent back to tower.

Flurry: This skill is good energy replenishment.
Sonic Wave / Resonating Strike: This skill is great hunt skill. Gives a lot of damage to a hero with little life. And you can use this skill to escape.
Safeguard / Iron Will: THIS SKILL is most important if you want jungle becose this skill gives you lot of LS SV. You can you use this skill to safe someone or if you want hunt / escape. This skill is great with Smite. If you use Safeguard / Iron Will and Smite you can heal self. This combination is good in late game too.
Tempest / Cripple: This skill is great in jungle you do damage if you have Safeguard / Iron Will you heal self, and when you use Tempest / Cripple you slow creeps attack.
Dragon's Rage: You must use this skill to make the opponent kicked to teammates not away. But it also can be used to escape.

Cloth Armor Health Potion Health Potion Health Potion Health Potion Health Potion: Jungle items.
Wriggle's Lantern: Damage, armor and LS what you need more ? :)
Boots of Swiftness: Great moven speed to escape / hunt.
Kindlegem: Health and CDR and you need it.
Spirit Visage: You heal self from LS more and you get CDR.
The Brutalizer: You get damage and CDR.
Black Cleaver: Damage and AS and great passive.
Infinity Edge: Damage and Critical strike chance.
Bloodthirster: Sell Wriggle's Lantern and buy this you get more damage and LS.

Greater Mark of Desolation Greater Quintessence of Desolation

Wraiths: Start here and kill bigges using Smite. Use nonstop Safeguard / Iron Will.
Wolves
Blue Buff: Use Safeguard / Iron Will and [smite when you have low HP.
Red Buff
Now you can jungle what you want.
When you have Wriggle's Lantern you can go kill dragon.