A fixing structure for an electronic device includes a mounting body and a mounting bracket. The mounting body includes a side surface, a bottom surface, and at least one limiting member disposed on the bottom surface. The limiting member includes a fixed end and a pillar. The pillar extends downward from the fixed end and protrudes from the bottom surface. The mounting bracket includes a fixing plate and a release assembly. The fixing plate is disposed under the bottom surface of the mounting body, and the fixing plate and the pillar are buckled with each other. The release assembly is disposed on the fixing plate, and the release assembly abuts against the side surface of the mounting body.