Abstract: A dual-channel cage-type subsea throttle valve includes an upper valve cover, a middle valve body, a valve body and a lower valve cover. Two upper valve chambers are provided in the middle valve body. Two lower valve chambers that are communicated with each other are provided in the valve body. A driving cam, a motor, a baffle and a spring are provided in each of the two upper valve chambers. The spring is arranged between the baffle and a bottom surface of the upper valve chamber. A valve stem, a valve core, a cage sheath, a valve core holder and a valve seat are provided in each of the two lower valve chambers. The top of the valve stem is connected to the baffle. Each of a side wall of the valve core and a side wall of the cage sheath is provided with a throttle hole.