A vanadium-nitrogen alloy intermediate frequency induction heating furnace crucible support system and a discharge control system, which include a crucible support device, a discharge device and a control device, the crucible support device is a supporting manipulator (3) ; the discharge device includes Cooler (1) , graphite crucible (2) , cassette door (4) , vacuum chamber (5) , vacuum chamber door (6) , discharge cylinder (7) and vacuum pump (8) ; the control device includes control Unit, display unit, sensor group and indication unit. The invention adopts a fully automatic touch screen as the operation control interface, which is intuitive and simple in operation, and has a high degree of automation; the hydraulic oil cylinder is accurately positioned under the control of the computer; the discharge bin between the two doors of the vacuum chamber is provided with a vacuum device and a vacuum degree sensor, which can Ensure that the discharge process is anaerobic