Foldable and telescopic fan

A foldable and telescopic fan is characterized by comprising a fan body, a main support is arranged on the periphery of the fan body in a sleeved mode, the bottom of the lower end of the main support is connected with a fixing base through a telescopic mechanism, and the telescopic mechanism drives the main support to axially move up and down to adjust the ground clearance of the fan body; rotating mechanisms are installed on the two sides of the fixing base, supporting rods formed by protruding of the tops of the rotating mechanisms stretch into and are clamped in the telescopic mechanisms, and swing arms of the rotating mechanisms swing front and back to drive the fixing base to be folded or unfolded; the foldable fan has the advantages that the fixing base can be folded for storage or unfolded for use according to user requirements, a user can transport, package or store the fan conveniently, the use cost of the fan is saved, the fixing base can be folded and stored through the space inside the fan body, a