This application discloses a painting fixture for fiberglass headgear of rail vehicles, relating to the field of rail vehicle technology. The painting fixture includes: a fixture support frame; a painting protective floor disposed at the bottom of the fixture support frame; a painting fixture base disposed at the bottom of the fixture support frame, with multiple first universal wheels symmetrically arranged at the bottom of the painting fixture base; and multiple connecting brackets disposed on the fixture support frame. The painting protective floor is located above the painting fixture base. Each connecting bracket includes: a first upright plate; a first horizontal plate and a second horizontal plate respectively disposed at both ends of the first upright plate; and a first inclined plate disposed at the free end of the first horizontal plate. This application, utilizing the support frame and supporting structures, effectively avoids deformation during the transfer of the fiberglass headgear while ensuring that the fixture does not obstruct the
working space for
grinding and painting, thus meeting practical work requirements.