Fixing support

The invention discloses a fixing support which comprises a support body, a first connecting structure and a second connecting structure, and the support body is provided with a first end and a second end which are oppositely arranged; the first connecting structure is installed at the first end of the support body, the first connecting structure comprises a clamping assembly, and the clamping assembly is used for clamping a vehicle body part so that the fixing support can be fixed to a vehicle body; the second connecting structure is installed at the second end of the support body and used for being fixedly connected with projection equipment. The clamping assembly is arranged at the first end of the support body, the clamping assembly can clamp vehicle body parts (a headrest supporting rod and the like) so that the projection equipment can be fixed to a vehicle body, the fixing support can adapt to different vehicle types and different in-vehicle space conditions, and the projection equipment can be convenie