A support stand includes a support body, a connecting member, a fastening assembly. The support body defines an assembling hole. The connecting member is received in the assembling hole of the support body, and defines an engaging hole. The fastening assembly is positioned on the support body. The fastening assembly includes a follower. The follower has a positioning pole. The follower is movably connected to the support body, so that the positioning pole is capable of engaging/disengaging in the engaging hole of the connecting member.