Storable mobile phone support with clamping and fixing functions

The utility model discloses a storable mobile phone support with clamping and fixing functions, which comprises a supporting seat, two sides of the supporting seat are provided with an A jack and a B jack, an A supporting assembly is inserted into one of the A jacks through an A linear shaft, and a B supporting assembly is inserted into the other B jack through a B linear shaft. The A supporting assembly comprises a supporting rod, and one end of the supporting rod is fixedly connected with a sleeve rod. According to the foldable mobile phone support, through the arrangement of the supporting assembly A, the supporting assembly B and the extension assembly, a worker can adjust the sight distance by adjusting the length of an adjusting rod and adjusting the position of a tray at the same time according to the sight distance requirement, an extension plate A and an extension plate B can be manually pulled according to the size of a mobile phone, and then the extension plate A and the extension plate B are loose