PURPOSE: A hydraulic circuit for a fork shift of an industrial vehicle is provided to improve the drivability of a vehicle by improving the view of a vehicle by omitting two connecting hoses which is arranged in the front of a vehicle and covers the view. CONSTITUTION: A hydraulic circuit for a fork shift of an industrial vehicle comprises a first and a second forks(110,120) which are horizontally movable, a first cylinder(111) which includes a first left chamber(111a) wherein working fluid is supplied to move the first fork to the left side and a first right chamber(111b) wherein working fluid is supplied to move the first fork to the right side, a second cylinder(121) which comprises a second left chamber(121a) and a second right chamber(121b), a first control valve(130) which includes a first left water pressure part(130a) and a first right water pressure part(130b), and a second control valve(140) which includes a second left water pressure part(140a) and the first right water pressure part.
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