The invention discloses a portable support, which comprises a main beam, an extension pipe, a bracket and a plurality of support legs, wherein the main beam is provided with a sliding chute or a through hole along the axis direction; the extension pipe is positioned in the sliding chute or the through hole and slides in the sliding chute or the through hole; the bracket is arranged on the main beam and slides along the main beam; and the plurality of the support legs support the main beam. The portable support has the advantages that the portable support can increase the working length of thesupport through the extension pipe, and greatly improve the practicality and convenience of the support; while a wheel set and the foldable support legs can greatly increase the transport and carrying convenience of the support; in addition, the design of the adjustable length of the support legs greatly increases the convenience that the support is used outdoors.