Provided is an angle valve including a fixed heater block. The angle valve includes a valve casing 100 having a fluid flow hole 101 defined therein and having an inlet 110 through which fluid is introduced and an outlet 120 through which the fluid is discharged, a fixed heater block 200 fixedly installed in the valve casing 100 and having a slide hole 210 defined therein, a driving member 300 detachably coupled to an upper portion of the valve casing 100 to provide a driving force, and a sealing unit 400 connected to the driving member 300 to open and close the inlet 110 according to whether the driving member 300 is driven.