A pressure control valve provided with: a main valve section provided with a main valve body having a backpressure chamber on the inside thereof, and a valve housing body that is provided with a main valve seat in which said main valve body can be seated and has a pilot chamber for slidably housing the main valve body; and a pilot valve section that is provided with a pilot valve body and a pilot valve seat member having a pilot valve seat in which said pilot valve body can be seated, and in which the pilot valve body separates from the pilot valve seat to open when the pressure inside the pilot chamber has exceeded a prescribed pressure.