A holder for planar antenna comprising a base and a support, the base being provided with a location hole and an assembly hole in consistent with a bottom portion of the support, a vertical opening being disposed on a top of the support and a horizontal opening being disposed at a side of the support. When the holder is placed on a table top, the antenna is inserted into the vertical opening. When the holder is hang onto a wall, the antenna is inserted into the horizontal opening. Compared to conventional holders, the providing of the horizontal and vertical openings facilitates both hanging the holder to the wall and placing on a table top, which is convenient for both indoor and outdoor use. The supports and the base are detachable, facilitating storage and transport.