The invention relates to a high-frequency induction plasma water-cooled quartz lamp. The lamp is formed by assembly of an upper support, a powder feeding gun seat, a taper sleeve, a powder feeding gun, a locking threaded sleeve, an inner tube sleeve, an inner tube pressing sleeve, an intermediate support, a manifold, an intermediate tube upper pressing sleeve, a supporting plate, a lower support, supporting columns, an outer tube upper pressing sleeve, an outer tube lower pressing sleeve, a base, a supporting column protection sheath, a water cooled jacket, a transition plate, an intermediate tube lower pressing sleeve, an axis, an intermediate tube, a water inlet, an outer tube, induction coils, an inner tube, a water outlet, a pressure plate, a cooling gas inlet, an ionic gas inlet, an igniter 31 and a plurality of sealing rings. The high-frequency induction plasma water-cooled quartz lamp disclosed by the invention is used for high-frequency plasma multi-functional powder production equipment for manufacturing metal nano-powder, and has the advantages of being convenient to repair and maintain, good in cooling and heat dissipation effects, convenient to ignite, high in energy utilization rate, and the like.