Water-cooled xenon lamp

A water-cooled xenon lamp comprises a xenon lamp body, wherein an outer glass pipe is arranged outside the xenon lamp; an anode is arranged at the upper end of the xenon lamp body and connected with an anode terminal, and a cathode is arranged at the lower end of the xenon lamp body and connected with a cathode terminal; an upper seal ring is stuck outside the upper end of the outer glass pipe; the upper seal ring is sleeved with an upper fixing piece; the upper fixing piece is connected with an upper flange sleeve through screw threads; the upper flange sleeve is connected on the outer glass pipe through screw threads and communicated with the outer glass pipe; a water outlet is arranged on the upper flange sleeve; an upper blind nut is connected with the upper end of the upper flange sleeve through screw threads; and an upper seal rubber ring and an upper tetrafluoride rubber ring are arranged between the upper blind nut and the outer sleeve of the anode terminal, and between the upper flange sleeve and the