Telescopic lamp stand and lamp thereof

A telescopic lamp stand, comprising a fixed tube, wherein a first sliding groove is provided in the fixed tube and along a length direction of the fixed tube;

• two first moving tubes are provided in the first sliding groove and are movable along the first sliding groove, wherein one first moving tube is provided at an left end of the fixed tube and another first moving tube is provided at an right end of the fixed tube;
• two first limiting assemblies are provided on the fixed tube and are configured to restrict the first moving tube from disengaging from the first sliding groove, wherein one first limiting assembly is provided on the left end of the fixed tube and is configured to restrict the first moving tube provided at the left end of the fixed tube from disengaging from the first sliding groove, and another first limiting assembly is provided on the right end of the fixed tube and is configured to restrict the first moving tube provided at the right end of the fixed tube from disengaging from the first sliding groove.